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Finding the Fourth Proportional to 3,691.67, 5,539.94 and 1,744.07

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Solution

The fourth proportional to 3,691.67, 5,539.94 and 1,744.07 is: 2,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.67 : 5,539.94 = 1,744.07 : x
  2. Step 2: Convert to fraction form
    3,691.67/5,539.94 = 1,744.07/x
  3. Step 3: Cross multiply
    3,691.67x = 5,539.94 × 1,744.07
  4. Step 4: Simplify right side
    3,691.67x = 9,662,034.44
  5. Step 5: Solve for x
    x = 9,662,034.44/3,691.67
  6. Step 6: Final answer
    x = 2,617.25

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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.