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Finding the Fourth Proportional to 10,708.14, 16,062.39 and 2,917.14

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Solution

The fourth proportional to 10,708.14, 16,062.39 and 2,917.14 is: 4,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.14 : 16,062.39 = 2,917.14 : x
  2. Step 2: Convert to fraction form
    10,708.14/16,062.39 = 2,917.14/x
  3. Step 3: Cross multiply
    10,708.14x = 16,062.39 × 2,917.14
  4. Step 4: Simplify right side
    10,708.14x = 46,856,240.36
  5. Step 5: Solve for x
    x = 46,856,240.36/10,708.14
  6. Step 6: Final answer
    x = 4,375.76

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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.