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Finding the Fourth Proportional to 22,098.59, 33,147.90 and 15,553.98

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Solution

The fourth proportional to 22,098.59, 33,147.90 and 15,553.98 is: 23,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,098.59 : 33,147.90 = 15,553.98 : x
  2. Step 2: Convert to fraction form
    22,098.59/33,147.90 = 15,553.98/x
  3. Step 3: Cross multiply
    22,098.59x = 33,147.90 × 15,553.98
  4. Step 4: Simplify right side
    22,098.59x = 515,581,773.64
  5. Step 5: Solve for x
    x = 515,581,773.64/22,098.59
  6. Step 6: Final answer
    x = 23,330.99

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1.5x scale

Why These Related Problems?

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