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Finding the Fourth Proportional to 57,917.54, 86,712.48 and 36,805.25

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Solution

The fourth proportional to 57,917.54, 86,712.48 and 36,805.25 is: 55,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,917.54 : 86,712.48 = 36,805.25 : x
  2. Step 2: Convert to fraction form
    57,917.54/86,712.48 = 36,805.25/x
  3. Step 3: Cross multiply
    57,917.54x = 86,712.48 × 36,805.25
  4. Step 4: Simplify right side
    57,917.54x = 3,191,474,070.96
  5. Step 5: Solve for x
    x = 3,191,474,070.96/57,917.54
  6. Step 6: Final answer
    x = 55,103.76

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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.