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Finding the Fourth Proportional to 57,707.73, 86,490.97 and 32,768.64

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Solution

The fourth proportional to 57,707.73, 86,490.97 and 32,768.64 is: 49,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,707.73 : 86,490.97 = 32,768.64 : x
  2. Step 2: Convert to fraction form
    57,707.73/86,490.97 = 32,768.64/x
  3. Step 3: Cross multiply
    57,707.73x = 86,490.97 × 32,768.64
  4. Step 4: Simplify right side
    57,707.73x = 2,834,191,593.49
  5. Step 5: Solve for x
    x = 2,834,191,593.49/57,707.73
  6. Step 6: Final answer
    x = 49,112.86

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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.