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Finding the Fourth Proportional to 3,716.71, 5,571.17 and 1,250.68

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Solution

The fourth proportional to 3,716.71, 5,571.17 and 1,250.68 is: 1,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.71 : 5,571.17 = 1,250.68 : x
  2. Step 2: Convert to fraction form
    3,716.71/5,571.17 = 1,250.68/x
  3. Step 3: Cross multiply
    3,716.71x = 5,571.17 × 1,250.68
  4. Step 4: Simplify right side
    3,716.71x = 6,967,733.84
  5. Step 5: Solve for x
    x = 6,967,733.84/3,716.71
  6. Step 6: Final answer
    x = 1,874.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.