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Finding the Fourth Proportional to 41,881.62, 62,780.35 and 20,789.22

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Solution

The fourth proportional to 41,881.62, 62,780.35 and 20,789.22 is: 31,162.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,881.62 : 62,780.35 = 20,789.22 : x
  2. Step 2: Convert to fraction form
    41,881.62/62,780.35 = 20,789.22/x
  3. Step 3: Cross multiply
    41,881.62x = 62,780.35 × 20,789.22
  4. Step 4: Simplify right side
    41,881.62x = 1,305,154,507.83
  5. Step 5: Solve for x
    x = 1,305,154,507.83/41,881.62
  6. Step 6: Final answer
    x = 31,162.94

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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.