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Finding the Fourth Proportional to 1,716.33, 2,572.17 and 1,251.93

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Solution

The fourth proportional to 1,716.33, 2,572.17 and 1,251.93 is: 1,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.33 : 2,572.17 = 1,251.93 : x
  2. Step 2: Convert to fraction form
    1,716.33/2,572.17 = 1,251.93/x
  3. Step 3: Cross multiply
    1,716.33x = 2,572.17 × 1,251.93
  4. Step 4: Simplify right side
    1,716.33x = 3,220,163.93
  5. Step 5: Solve for x
    x = 3,220,163.93/1,716.33
  6. Step 6: Final answer
    x = 1,876.20

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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.