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Finding the Fourth Proportional to 61,695.74, 92,310.30 and 57,963.26

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Solution

The fourth proportional to 61,695.74, 92,310.30 and 57,963.26 is: 86,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,695.74 : 92,310.30 = 57,963.26 : x
  2. Step 2: Convert to fraction form
    61,695.74/92,310.30 = 57,963.26/x
  3. Step 3: Cross multiply
    61,695.74x = 92,310.30 × 57,963.26
  4. Step 4: Simplify right side
    61,695.74x = 5,350,605,919.58
  5. Step 5: Solve for x
    x = 5,350,605,919.58/61,695.74
  6. Step 6: Final answer
    x = 86,725.69

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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.