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Finding the Fourth Proportional to 61,200.47, 91,805.13 and 25,626

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Solution

The fourth proportional to 61,200.47, 91,805.13 and 25,626 is: 38,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,200.47 : 91,805.13 = 25,626 : x
  2. Step 2: Convert to fraction form
    61,200.47/91,805.13 = 25,626/x
  3. Step 3: Cross multiply
    61,200.47x = 91,805.13 × 25,626
  4. Step 4: Simplify right side
    61,200.47x = 2,352,598,261.38
  5. Step 5: Solve for x
    x = 2,352,598,261.38/61,200.47
  6. Step 6: Final answer
    x = 38,440.86

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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.