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Finding the Fourth Proportional to 2,363.90, 3,540.48 and 1,132.20

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Solution

The fourth proportional to 2,363.90, 3,540.48 and 1,132.20 is: 1,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.90 : 3,540.48 = 1,132.20 : x
  2. Step 2: Convert to fraction form
    2,363.90/3,540.48 = 1,132.20/x
  3. Step 3: Cross multiply
    2,363.90x = 3,540.48 × 1,132.20
  4. Step 4: Simplify right side
    2,363.90x = 4,008,531.46
  5. Step 5: Solve for x
    x = 4,008,531.46/2,363.90
  6. Step 6: Final answer
    x = 1,695.73

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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.