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Finding the Fourth Proportional to 68,519.73, 94,553.34 and 37,891.03

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Solution

The fourth proportional to 68,519.73, 94,553.34 and 37,891.03 is: 52,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,519.73 : 94,553.34 = 37,891.03 : x
  2. Step 2: Convert to fraction form
    68,519.73/94,553.34 = 37,891.03/x
  3. Step 3: Cross multiply
    68,519.73x = 94,553.34 × 37,891.03
  4. Step 4: Simplify right side
    68,519.73x = 3,582,723,442.54
  5. Step 5: Solve for x
    x = 3,582,723,442.54/68,519.73
  6. Step 6: Final answer
    x = 52,287.47

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Why These Related Problems?

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