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Finding the Fourth Proportional to 67,544.52, 101,321.12 and 25,991.52

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Solution

The fourth proportional to 67,544.52, 101,321.12 and 25,991.52 is: 38,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,544.52 : 101,321.12 = 25,991.52 : x
  2. Step 2: Convert to fraction form
    67,544.52/101,321.12 = 25,991.52/x
  3. Step 3: Cross multiply
    67,544.52x = 101,321.12 × 25,991.52
  4. Step 4: Simplify right side
    67,544.52x = 2,633,489,916.90
  5. Step 5: Solve for x
    x = 2,633,489,916.90/67,544.52
  6. Step 6: Final answer
    x = 38,988.95

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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.