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Finding the Fourth Proportional to 2,711.81, 4,065.89 and 1,250.17

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Solution

The fourth proportional to 2,711.81, 4,065.89 and 1,250.17 is: 1,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.81 : 4,065.89 = 1,250.17 : x
  2. Step 2: Convert to fraction form
    2,711.81/4,065.89 = 1,250.17/x
  3. Step 3: Cross multiply
    2,711.81x = 4,065.89 × 1,250.17
  4. Step 4: Simplify right side
    2,711.81x = 5,083,037.29
  5. Step 5: Solve for x
    x = 5,083,037.29/2,711.81
  6. Step 6: Final answer
    x = 1,874.41

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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.