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Finding the Fourth Proportional to 61,044.87, 91,403.24 and 38,737.47

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Solution

The fourth proportional to 61,044.87, 91,403.24 and 38,737.47 is: 58,002.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,044.87 : 91,403.24 = 38,737.47 : x
  2. Step 2: Convert to fraction form
    61,044.87/91,403.24 = 38,737.47/x
  3. Step 3: Cross multiply
    61,044.87x = 91,403.24 × 38,737.47
  4. Step 4: Simplify right side
    61,044.87x = 3,540,730,073.72
  5. Step 5: Solve for x
    x = 3,540,730,073.72/61,044.87
  6. Step 6: Final answer
    x = 58,002.09

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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.