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Finding the Fourth Proportional to 62,757.88, 94,136.85 and 39,400.72

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Solution

The fourth proportional to 62,757.88, 94,136.85 and 39,400.72 is: 59,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,757.88 : 94,136.85 = 39,400.72 : x
  2. Step 2: Convert to fraction form
    62,757.88/94,136.85 = 39,400.72/x
  3. Step 3: Cross multiply
    62,757.88x = 94,136.85 × 39,400.72
  4. Step 4: Simplify right side
    62,757.88x = 3,709,059,433.19
  5. Step 5: Solve for x
    x = 3,709,059,433.19/62,757.88
  6. Step 6: Final answer
    x = 59,101.10

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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.