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Finding the Fourth Proportional to 3,112.52, 4,295.27 and 1,715.27

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Solution

The fourth proportional to 3,112.52, 4,295.27 and 1,715.27 is: 2,367.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.52 : 4,295.27 = 1,715.27 : x
  2. Step 2: Convert to fraction form
    3,112.52/4,295.27 = 1,715.27/x
  3. Step 3: Cross multiply
    3,112.52x = 4,295.27 × 1,715.27
  4. Step 4: Simplify right side
    3,112.52x = 7,367,517.72
  5. Step 5: Solve for x
    x = 7,367,517.72/3,112.52
  6. Step 6: Final answer
    x = 2,367.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.