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Finding the Fourth Proportional to 62,978.92, 94,440.13 and 18,590.11

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Solution

The fourth proportional to 62,978.92, 94,440.13 and 18,590.11 is: 27,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,978.92 : 94,440.13 = 18,590.11 : x
  2. Step 2: Convert to fraction form
    62,978.92/94,440.13 = 18,590.11/x
  3. Step 3: Cross multiply
    62,978.92x = 94,440.13 × 18,590.11
  4. Step 4: Simplify right side
    62,978.92x = 1,755,652,122.54
  5. Step 5: Solve for x
    x = 1,755,652,122.54/62,978.92
  6. Step 6: Final answer
    x = 27,876.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.