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Finding the Fourth Proportional to 22,902.60, 34,363.68 and 9,761.16

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Solution

The fourth proportional to 22,902.60, 34,363.68 and 9,761.16 is: 14,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902.60 : 34,363.68 = 9,761.16 : x
  2. Step 2: Convert to fraction form
    22,902.60/34,363.68 = 9,761.16/x
  3. Step 3: Cross multiply
    22,902.60x = 34,363.68 × 9,761.16
  4. Step 4: Simplify right side
    22,902.60x = 335,429,378.67
  5. Step 5: Solve for x
    x = 335,429,378.67/22,902.60
  6. Step 6: Final answer
    x = 14,645.91

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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.