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Finding the Fourth Proportional to 2,387.62, 3,295.25 and 1,339.75

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Solution

The fourth proportional to 2,387.62, 3,295.25 and 1,339.75 is: 1,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.62 : 3,295.25 = 1,339.75 : x
  2. Step 2: Convert to fraction form
    2,387.62/3,295.25 = 1,339.75/x
  3. Step 3: Cross multiply
    2,387.62x = 3,295.25 × 1,339.75
  4. Step 4: Simplify right side
    2,387.62x = 4,414,811.19
  5. Step 5: Solve for x
    x = 4,414,811.19/2,387.62
  6. Step 6: Final answer
    x = 1,849.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.