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Finding the Fourth Proportional to 39,304, 54,163.74 and 25,132.24

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Solution

The fourth proportional to 39,304, 54,163.74 and 25,132.24 is: 34,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,304 : 54,163.74 = 25,132.24 : x
  2. Step 2: Convert to fraction form
    39,304/54,163.74 = 25,132.24/x
  3. Step 3: Cross multiply
    39,304x = 54,163.74 × 25,132.24
  4. Step 4: Simplify right side
    39,304x = 1,361,256,112.98
  5. Step 5: Solve for x
    x = 1,361,256,112.98/39,304
  6. Step 6: Final answer
    x = 34,634.04

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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.