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Finding the Fourth Proportional to 61,752.78, 92,629.17 and 15,005.25

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Solution

The fourth proportional to 61,752.78, 92,629.17 and 15,005.25 is: 22,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,752.78 : 92,629.17 = 15,005.25 : x
  2. Step 2: Convert to fraction form
    61,752.78/92,629.17 = 15,005.25/x
  3. Step 3: Cross multiply
    61,752.78x = 92,629.17 × 15,005.25
  4. Step 4: Simplify right side
    61,752.78x = 1,389,923,853.14
  5. Step 5: Solve for x
    x = 1,389,923,853.14/61,752.78
  6. Step 6: Final answer
    x = 22,507.88

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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.