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Finding the Fourth Proportional to 27,691.92, 38,219.76 and 16,360.92

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Solution

The fourth proportional to 27,691.92, 38,219.76 and 16,360.92 is: 22,580.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,691.92 : 38,219.76 = 16,360.92 : x
  2. Step 2: Convert to fraction form
    27,691.92/38,219.76 = 16,360.92/x
  3. Step 3: Cross multiply
    27,691.92x = 38,219.76 × 16,360.92
  4. Step 4: Simplify right side
    27,691.92x = 625,310,435.78
  5. Step 5: Solve for x
    x = 625,310,435.78/27,691.92
  6. Step 6: Final answer
    x = 22,580.97

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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.