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Finding the Fourth Proportional to 57,963.83, 79,988.56 and 34,091.97

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Solution

The fourth proportional to 57,963.83, 79,988.56 and 34,091.97 is: 47,046.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,963.83 : 79,988.56 = 34,091.97 : x
  2. Step 2: Convert to fraction form
    57,963.83/79,988.56 = 34,091.97/x
  3. Step 3: Cross multiply
    57,963.83x = 79,988.56 × 34,091.97
  4. Step 4: Simplify right side
    57,963.83x = 2,726,967,587.86
  5. Step 5: Solve for x
    x = 2,726,967,587.86/57,963.83
  6. Step 6: Final answer
    x = 47,046.02

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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.