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Finding the Fourth Proportional to 3,633.88, 5,451.62 and 1,442.56

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Solution

The fourth proportional to 3,633.88, 5,451.62 and 1,442.56 is: 2,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.88 : 5,451.62 = 1,442.56 : x
  2. Step 2: Convert to fraction form
    3,633.88/5,451.62 = 1,442.56/x
  3. Step 3: Cross multiply
    3,633.88x = 5,451.62 × 1,442.56
  4. Step 4: Simplify right side
    3,633.88x = 7,864,288.95
  5. Step 5: Solve for x
    x = 7,864,288.95/3,633.88
  6. Step 6: Final answer
    x = 2,164.16

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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.