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Finding the Fourth Proportional to 22,747.80, 34,128.36 and 6,737.76

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Solution

The fourth proportional to 22,747.80, 34,128.36 and 6,737.76 is: 10,108.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,747.80 : 34,128.36 = 6,737.76 : x
  2. Step 2: Convert to fraction form
    22,747.80/34,128.36 = 6,737.76/x
  3. Step 3: Cross multiply
    22,747.80x = 34,128.36 × 6,737.76
  4. Step 4: Simplify right side
    22,747.80x = 229,948,698.87
  5. Step 5: Solve for x
    x = 229,948,698.87/22,747.80
  6. Step 6: Final answer
    x = 10,108.61

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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.