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Finding the Fourth Proportional to 53,175.31, 79,687.71 and 29,493.28

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Solution

The fourth proportional to 53,175.31, 79,687.71 and 29,493.28 is: 44,198.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,175.31 : 79,687.71 = 29,493.28 : x
  2. Step 2: Convert to fraction form
    53,175.31/79,687.71 = 29,493.28/x
  3. Step 3: Cross multiply
    53,175.31x = 79,687.71 × 29,493.28
  4. Step 4: Simplify right side
    53,175.31x = 2,350,251,943.59
  5. Step 5: Solve for x
    x = 2,350,251,943.59/53,175.31
  6. Step 6: Final answer
    x = 44,198.18

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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.