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Finding the Fourth Proportional to 57,963.33, 79,987.87 and 34,091.47

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Solution

The fourth proportional to 57,963.33, 79,987.87 and 34,091.47 is: 47,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,963.33 : 79,987.87 = 34,091.47 : x
  2. Step 2: Convert to fraction form
    57,963.33/79,987.87 = 34,091.47/x
  3. Step 3: Cross multiply
    57,963.33x = 79,987.87 × 34,091.47
  4. Step 4: Simplify right side
    57,963.33x = 2,726,904,070.47
  5. Step 5: Solve for x
    x = 2,726,904,070.47/57,963.33
  6. Step 6: Final answer
    x = 47,045.33

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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.