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Finding the Fourth Proportional to 61,107.62, 91,630.17 and 25,559.31

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Solution

The fourth proportional to 61,107.62, 91,630.17 and 25,559.31 is: 38,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,107.62 : 91,630.17 = 25,559.31 : x
  2. Step 2: Convert to fraction form
    61,107.62/91,630.17 = 25,559.31/x
  3. Step 3: Cross multiply
    61,107.62x = 91,630.17 × 25,559.31
  4. Step 4: Simplify right side
    61,107.62x = 2,342,004,264.00
  5. Step 5: Solve for x
    x = 2,342,004,264.00/61,107.62
  6. Step 6: Final answer
    x = 38,325.90

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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.