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Finding the Fourth Proportional to 2,247.32, 3,371.46 and 786.52

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Solution

The fourth proportional to 2,247.32, 3,371.46 and 786.52 is: 1,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.32 : 3,371.46 = 786.52 : x
  2. Step 2: Convert to fraction form
    2,247.32/3,371.46 = 786.52/x
  3. Step 3: Cross multiply
    2,247.32x = 3,371.46 × 786.52
  4. Step 4: Simplify right side
    2,247.32x = 2,651,720.72
  5. Step 5: Solve for x
    x = 2,651,720.72/2,247.32
  6. Step 6: Final answer
    x = 1,179.95

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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.