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Finding the Fourth Proportional to 22,098.57, 33,129.25 and 8,960.17

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Solution

The fourth proportional to 22,098.57, 33,129.25 and 8,960.17 is: 13,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,098.57 : 33,129.25 = 8,960.17 : x
  2. Step 2: Convert to fraction form
    22,098.57/33,129.25 = 8,960.17/x
  3. Step 3: Cross multiply
    22,098.57x = 33,129.25 × 8,960.17
  4. Step 4: Simplify right side
    22,098.57x = 296,843,719.27
  5. Step 5: Solve for x
    x = 296,843,719.27/22,098.57
  6. Step 6: Final answer
    x = 13,432.71

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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.