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Finding the Fourth Proportional to 16,057.20, 22,151.04 and 11,331.12

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Solution

The fourth proportional to 16,057.20, 22,151.04 and 11,331.12 is: 15,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,057.20 : 22,151.04 = 11,331.12 : x
  2. Step 2: Convert to fraction form
    16,057.20/22,151.04 = 11,331.12/x
  3. Step 3: Cross multiply
    16,057.20x = 22,151.04 × 11,331.12
  4. Step 4: Simplify right side
    16,057.20x = 250,996,092.36
  5. Step 5: Solve for x
    x = 250,996,092.36/16,057.20
  6. Step 6: Final answer
    x = 15,631.37

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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.