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Finding the Fourth Proportional to 62,542.85, 93,785.94 and 26,987.39

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Solution

The fourth proportional to 62,542.85, 93,785.94 and 26,987.39 is: 40,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,542.85 : 93,785.94 = 26,987.39 : x
  2. Step 2: Convert to fraction form
    62,542.85/93,785.94 = 26,987.39/x
  3. Step 3: Cross multiply
    62,542.85x = 93,785.94 × 26,987.39
  4. Step 4: Simplify right side
    62,542.85x = 2,531,037,739.30
  5. Step 5: Solve for x
    x = 2,531,037,739.30/62,542.85
  6. Step 6: Final answer
    x = 40,468.86

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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.