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Finding the Fourth Proportional to 57,656.57, 86,481.41 and 22,134.87

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Solution

The fourth proportional to 57,656.57, 86,481.41 and 22,134.87 is: 33,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,656.57 : 86,481.41 = 22,134.87 : x
  2. Step 2: Convert to fraction form
    57,656.57/86,481.41 = 22,134.87/x
  3. Step 3: Cross multiply
    57,656.57x = 86,481.41 × 22,134.87
  4. Step 4: Simplify right side
    57,656.57x = 1,914,254,657.09
  5. Step 5: Solve for x
    x = 1,914,254,657.09/57,656.57
  6. Step 6: Final answer
    x = 33,200.98

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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.