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Finding the Fourth Proportional to 15,174.57, 22,761.87 and 4,787.13

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Solution

The fourth proportional to 15,174.57, 22,761.87 and 4,787.13 is: 7,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.57 : 22,761.87 = 4,787.13 : x
  2. Step 2: Convert to fraction form
    15,174.57/22,761.87 = 4,787.13/x
  3. Step 3: Cross multiply
    15,174.57x = 22,761.87 × 4,787.13
  4. Step 4: Simplify right side
    15,174.57x = 108,964,030.73
  5. Step 5: Solve for x
    x = 108,964,030.73/15,174.57
  6. Step 6: Final answer
    x = 7,180.70

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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.