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Finding the Fourth Proportional to 54,697.73, 82,046.60 and 17,761.73

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Solution

The fourth proportional to 54,697.73, 82,046.60 and 17,761.73 is: 26,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,697.73 : 82,046.60 = 17,761.73 : x
  2. Step 2: Convert to fraction form
    54,697.73/82,046.60 = 17,761.73/x
  3. Step 3: Cross multiply
    54,697.73x = 82,046.60 × 17,761.73
  4. Step 4: Simplify right side
    54,697.73x = 1,457,289,556.62
  5. Step 5: Solve for x
    x = 1,457,289,556.62/54,697.73
  6. Step 6: Final answer
    x = 26,642.60

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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.