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Finding the Fourth Proportional to 53,449.98, 73,761.10 and 29,578.28

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Solution

The fourth proportional to 53,449.98, 73,761.10 and 29,578.28 is: 40,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,449.98 : 73,761.10 = 29,578.28 : x
  2. Step 2: Convert to fraction form
    53,449.98/73,761.10 = 29,578.28/x
  3. Step 3: Cross multiply
    53,449.98x = 73,761.10 × 29,578.28
  4. Step 4: Simplify right side
    53,449.98x = 2,181,726,468.91
  5. Step 5: Solve for x
    x = 2,181,726,468.91/53,449.98
  6. Step 6: Final answer
    x = 40,818.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.