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Finding the Fourth Proportional to 57,714.78, 86,703.53 and 41,753.54

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Solution

The fourth proportional to 57,714.78, 86,703.53 and 41,753.54 is: 62,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,714.78 : 86,703.53 = 41,753.54 : x
  2. Step 2: Convert to fraction form
    57,714.78/86,703.53 = 41,753.54/x
  3. Step 3: Cross multiply
    57,714.78x = 86,703.53 × 41,753.54
  4. Step 4: Simplify right side
    57,714.78x = 3,620,179,308.00
  5. Step 5: Solve for x
    x = 3,620,179,308.00/57,714.78
  6. Step 6: Final answer
    x = 62,725.34

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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.