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Finding the Fourth Proportional to 3,062.85, 4,594.25 and 871.29

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Solution

The fourth proportional to 3,062.85, 4,594.25 and 871.29 is: 1,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.85 : 4,594.25 = 871.29 : x
  2. Step 2: Convert to fraction form
    3,062.85/4,594.25 = 871.29/x
  3. Step 3: Cross multiply
    3,062.85x = 4,594.25 × 871.29
  4. Step 4: Simplify right side
    3,062.85x = 4,002,919.73
  5. Step 5: Solve for x
    x = 4,002,919.73/3,062.85
  6. Step 6: Final answer
    x = 1,306.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.