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Finding the Fourth Proportional to 3,401.91, 5,103.68 and 1,843.47

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Solution

The fourth proportional to 3,401.91, 5,103.68 and 1,843.47 is: 2,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.91 : 5,103.68 = 1,843.47 : x
  2. Step 2: Convert to fraction form
    3,401.91/5,103.68 = 1,843.47/x
  3. Step 3: Cross multiply
    3,401.91x = 5,103.68 × 1,843.47
  4. Step 4: Simplify right side
    3,401.91x = 9,408,471.75
  5. Step 5: Solve for x
    x = 9,408,471.75/3,401.91
  6. Step 6: Final answer
    x = 2,765.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.