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Finding the Fourth Proportional to 22,425.61, 33,640.04 and 9,092.20

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Solution

The fourth proportional to 22,425.61, 33,640.04 and 9,092.20 is: 13,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.61 : 33,640.04 = 9,092.20 : x
  2. Step 2: Convert to fraction form
    22,425.61/33,640.04 = 9,092.20/x
  3. Step 3: Cross multiply
    22,425.61x = 33,640.04 × 9,092.20
  4. Step 4: Simplify right side
    22,425.61x = 305,861,910.32
  5. Step 5: Solve for x
    x = 305,861,910.32/22,425.61
  6. Step 6: Final answer
    x = 13,638.96

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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.