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Finding the Fourth Proportional to 22,475.88, 33,721.02 and 10,789.92

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Solution

The fourth proportional to 22,475.88, 33,721.02 and 10,789.92 is: 16,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,475.88 : 33,721.02 = 10,789.92 : x
  2. Step 2: Convert to fraction form
    22,475.88/33,721.02 = 10,789.92/x
  3. Step 3: Cross multiply
    22,475.88x = 33,721.02 × 10,789.92
  4. Step 4: Simplify right side
    22,475.88x = 363,847,108.12
  5. Step 5: Solve for x
    x = 363,847,108.12/22,475.88
  6. Step 6: Final answer
    x = 16,188.34

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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.