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Finding the Fourth Proportional to 57,891.98, 79,893.14 and 33,691.01

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Solution

The fourth proportional to 57,891.98, 79,893.14 and 33,691.01 is: 46,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,891.98 : 79,893.14 = 33,691.01 : x
  2. Step 2: Convert to fraction form
    57,891.98/79,893.14 = 33,691.01/x
  3. Step 3: Cross multiply
    57,891.98x = 79,893.14 × 33,691.01
  4. Step 4: Simplify right side
    57,891.98x = 2,691,680,010.75
  5. Step 5: Solve for x
    x = 2,691,680,010.75/57,891.98
  6. Step 6: Final answer
    x = 46,494.87

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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.