Question: The daily rainfall (in inches) in a NYC monitoring station over five consecutive days is modeled by the values $ \frac{1}{4}, \frac{3}{8}, \frac{5}{16}, x, \frac{1}{2} $. If the average rainfall is $ \frac{5}{8} $ inches, solve for $ x $.

Question: The daily rainfall (in inches) in a NYC monitoring station over five consecutive days is modeled by the values $ \frac{1}{4}, \frac{3}{8}, \frac{5}{16}, x, \frac{1}{2} $. If the average rainfall is $ \frac{5}{8} $ inches, solve for $ x $.

["Solving for the Unknown Daily Rainfall in NYC: A Step-by-Step Analysis", "Understanding daily rainfall patterns is crucial for weather forecasting, urban planning, and environmental monitoring—especially in densely populated cities like New York City. In this article, we explore a real-world statistical problem involving five consecutive daily rainfall measurements and how to determine the missing value using the average rainfall data.", "The recorded rainfall (in inches) over five consecutive days is modeled as:\n$$\n\frac{1}{4},\ \frac{3}{8},\ \frac{5}{16},\ x,\ \frac{1}{2}\n$$\nWe are told that the average daily rainfall during this period is $ \frac{5}{8} $ inches. Our goal is to solve for the unknown rainfall amount $ x $.", "---", "### Step 1: Recall the Formula for Average\nThe average of five numbers is the sum of the values divided by 5:\n$$\n\ ext{Average} = \frac{\frac{1}{4} + \frac{3}{8} + \frac{5}{16} + x + \frac{1}{2}}{5} = \frac{5}{8}\n$$", "---", "### Step 2: Combine the Known Fractional Values", "To simplify, convert all fractions to have a common denominator. The least common denominator of 4, 8, 16, and 2 is 16.", "Convert each fraction:", "- $ \frac{1}{4} = \frac{4}{16} $\n- $ \frac{3}{8} = \frac{6}{16} $\n- $ \frac{5}{16} = \frac{5}{16} $\n- $ \frac{1}{2} = \frac{8}{16} $", "Now sum them:\n$$\n\frac{4}{16} + \frac{6}{16} + \frac{5}{16} + \frac{8}{16} = \frac{23}{16}\n$$", "So the equation becomes:\n$$\n\frac{\frac{23}{16} + x}{5} = \frac{5}{8}\n$$", "---", "### Step 3: Solve for $ x $", "Multiply both sides of the equation by 5:\n$$\n\frac{23}{16} + x = \frac{25}{8}\n$$", "Convert $ \frac{25}{8} $ to sixteenths:\n$$\n\frac{25}{8} = \frac{50}{16}\n$$", "Now solve:\n$$\nx = \frac{50}{16} - \frac{23}{16} = \frac{27}{16}\n$$", "---", "### Step 4: Final Answer", "The missing daily rainfall measurement is $ \frac{27}{16} $ inches, or $ 1.\overline{6875} $ inches in decimal form.", "---", "### Why This Matters", "By accurately computing missing or verified rainfall data, meteorologists and city planners can better assess flood risks, manage stormwater systems, and issue reliable weather warnings. This method of using averages with missing values is a fundamental tool in environmental data analysis.", "---", "### Summary", "- Given: Daily rainfall values over five days including an unknown $ x $.\n- Average = $ \frac{5}{8} $ inches\n- Converted all known values to sixteenths and solved algebraically for $ x $.\n- Result: $ x = \frac{27}{16} $ inches", "Accurate rainfall modeling enhances urban resilience and environmental decision-making—proving that even a single missing data point can be precisely determined through thoughtful calculation.", "---", "Key terms: NYC rainfall, daily rainfall average, solve for unknown in rainfall, مطول: الرصد meteorologique, average rainfall NYC, rainfall data analysis"]

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