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Finding the Fourth Proportional to 57,863.39, 86,725.71 and 29,796.68

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Solution

The fourth proportional to 57,863.39, 86,725.71 and 29,796.68 is: 44,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,863.39 : 86,725.71 = 29,796.68 : x
  2. Step 2: Convert to fraction form
    57,863.39/86,725.71 = 29,796.68/x
  3. Step 3: Cross multiply
    57,863.39x = 86,725.71 × 29,796.68
  4. Step 4: Simplify right side
    57,863.39x = 2,584,138,445.46
  5. Step 5: Solve for x
    x = 2,584,138,445.46/57,863.39
  6. Step 6: Final answer
    x = 44,659.30

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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.