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Finding the Fourth Proportional to 22,491.60, 33,737.76 and 10,008.72

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Solution

The fourth proportional to 22,491.60, 33,737.76 and 10,008.72 is: 15,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,491.60 : 33,737.76 = 10,008.72 : x
  2. Step 2: Convert to fraction form
    22,491.60/33,737.76 = 10,008.72/x
  3. Step 3: Cross multiply
    22,491.60x = 33,737.76 × 10,008.72
  4. Step 4: Simplify right side
    22,491.60x = 337,671,793.27
  5. Step 5: Solve for x
    x = 337,671,793.27/22,491.60
  6. Step 6: Final answer
    x = 15,013.24

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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.