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Finding the Fourth Proportional to 39,944.80, 59,917.20 and 36,251.20

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Solution

The fourth proportional to 39,944.80, 59,917.20 and 36,251.20 is: 54,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.80 : 59,917.20 = 36,251.20 : x
  2. Step 2: Convert to fraction form
    39,944.80/59,917.20 = 36,251.20/x
  3. Step 3: Cross multiply
    39,944.80x = 59,917.20 × 36,251.20
  4. Step 4: Simplify right side
    39,944.80x = 2,172,070,400.64
  5. Step 5: Solve for x
    x = 2,172,070,400.64/39,944.80
  6. Step 6: Final answer
    x = 54,376.80

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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.