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Finding the Fourth Proportional to 67,884.16, 93,691.20 and 38,085.76

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Solution

The fourth proportional to 67,884.16, 93,691.20 and 38,085.76 is: 52,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,884.16 : 93,691.20 = 38,085.76 : x
  2. Step 2: Convert to fraction form
    67,884.16/93,691.20 = 38,085.76/x
  3. Step 3: Cross multiply
    67,884.16x = 93,691.20 × 38,085.76
  4. Step 4: Simplify right side
    67,884.16x = 3,568,300,557.31
  5. Step 5: Solve for x
    x = 3,568,300,557.31/67,884.16
  6. Step 6: Final answer
    x = 52,564.55

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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.