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Finding the Fourth Proportional to 62,937.62, 86,862.21 and 37,788.74

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Solution

The fourth proportional to 62,937.62, 86,862.21 and 37,788.74 is: 52,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,937.62 : 86,862.21 = 37,788.74 : x
  2. Step 2: Convert to fraction form
    62,937.62/86,862.21 = 37,788.74/x
  3. Step 3: Cross multiply
    62,937.62x = 86,862.21 × 37,788.74
  4. Step 4: Simplify right side
    62,937.62x = 3,282,413,469.52
  5. Step 5: Solve for x
    x = 3,282,413,469.52/62,937.62
  6. Step 6: Final answer
    x = 52,153.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.