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Finding the Fourth Proportional to 67,294.60, 92,865.49 and 38,613.11

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Solution

The fourth proportional to 67,294.60, 92,865.49 and 38,613.11 is: 53,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,294.60 : 92,865.49 = 38,613.11 : x
  2. Step 2: Convert to fraction form
    67,294.60/92,865.49 = 38,613.11/x
  3. Step 3: Cross multiply
    67,294.60x = 92,865.49 × 38,613.11
  4. Step 4: Simplify right side
    67,294.60x = 3,585,824,819.71
  5. Step 5: Solve for x
    x = 3,585,824,819.71/67,294.60
  6. Step 6: Final answer
    x = 53,285.48

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