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Finding the Fourth Proportional to 54,893.52, 75,742.56 and 34,753.68

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Solution

The fourth proportional to 54,893.52, 75,742.56 and 34,753.68 is: 47,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,893.52 : 75,742.56 = 34,753.68 : x
  2. Step 2: Convert to fraction form
    54,893.52/75,742.56 = 34,753.68/x
  3. Step 3: Cross multiply
    54,893.52x = 75,742.56 × 34,753.68
  4. Step 4: Simplify right side
    54,893.52x = 2,632,332,692.62
  5. Step 5: Solve for x
    x = 2,632,332,692.62/54,893.52
  6. Step 6: Final answer
    x = 47,953.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.