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Finding the Fourth Proportional to 22,174.99, 33,262.48 and 8,129.71

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Solution

The fourth proportional to 22,174.99, 33,262.48 and 8,129.71 is: 12,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,174.99 : 33,262.48 = 8,129.71 : x
  2. Step 2: Convert to fraction form
    22,174.99/33,262.48 = 8,129.71/x
  3. Step 3: Cross multiply
    22,174.99x = 33,262.48 × 8,129.71
  4. Step 4: Simplify right side
    22,174.99x = 270,414,149.97
  5. Step 5: Solve for x
    x = 270,414,149.97/22,174.99
  6. Step 6: Final answer
    x = 12,194.56

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Double scale
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Similar ratio
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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.