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Finding the Fourth Proportional to 22,149.47, 33,229.80 and 7,358.46

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Solution

The fourth proportional to 22,149.47, 33,229.80 and 7,358.46 is: 11,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149.47 : 33,229.80 = 7,358.46 : x
  2. Step 2: Convert to fraction form
    22,149.47/33,229.80 = 7,358.46/x
  3. Step 3: Cross multiply
    22,149.47x = 33,229.80 × 7,358.46
  4. Step 4: Simplify right side
    22,149.47x = 244,520,154.11
  5. Step 5: Solve for x
    x = 244,520,154.11/22,149.47
  6. Step 6: Final answer
    x = 11,039.55

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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.