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Finding the Fourth Proportional to 22,617.90, 33,942.42 and 10,151.87

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Solution

The fourth proportional to 22,617.90, 33,942.42 and 10,151.87 is: 15,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.90 : 33,942.42 = 10,151.87 : x
  2. Step 2: Convert to fraction form
    22,617.90/33,942.42 = 10,151.87/x
  3. Step 3: Cross multiply
    22,617.90x = 33,942.42 × 10,151.87
  4. Step 4: Simplify right side
    22,617.90x = 344,578,865.61
  5. Step 5: Solve for x
    x = 344,578,865.61/22,617.90
  6. Step 6: Final answer
    x = 15,234.79

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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.