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Finding the Fourth Proportional to 57,843.29, 86,770.20 and 22,293.20

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Solution

The fourth proportional to 57,843.29, 86,770.20 and 22,293.20 is: 33,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,843.29 : 86,770.20 = 22,293.20 : x
  2. Step 2: Convert to fraction form
    57,843.29/86,770.20 = 22,293.20/x
  3. Step 3: Cross multiply
    57,843.29x = 86,770.20 × 22,293.20
  4. Step 4: Simplify right side
    57,843.29x = 1,934,385,422.64
  5. Step 5: Solve for x
    x = 1,934,385,422.64/57,843.29
  6. Step 6: Final answer
    x = 33,441.83

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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.