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Finding the Fourth Proportional to 13,572.97, 20,354.90 and 6,071.83

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Solution

The fourth proportional to 13,572.97, 20,354.90 and 6,071.83 is: 9,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.97 : 20,354.90 = 6,071.83 : x
  2. Step 2: Convert to fraction form
    13,572.97/20,354.90 = 6,071.83/x
  3. Step 3: Cross multiply
    13,572.97x = 20,354.90 × 6,071.83
  4. Step 4: Simplify right side
    13,572.97x = 123,591,411.22
  5. Step 5: Solve for x
    x = 123,591,411.22/13,572.97
  6. Step 6: Final answer
    x = 9,105.70

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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.