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Finding the Fourth Proportional to 2,468.28, 3,702.65 and 713.27

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Solution

The fourth proportional to 2,468.28, 3,702.65 and 713.27 is: 1,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.28 : 3,702.65 = 713.27 : x
  2. Step 2: Convert to fraction form
    2,468.28/3,702.65 = 713.27/x
  3. Step 3: Cross multiply
    2,468.28x = 3,702.65 × 713.27
  4. Step 4: Simplify right side
    2,468.28x = 2,640,972.44
  5. Step 5: Solve for x
    x = 2,640,972.44/2,468.28
  6. Step 6: Final answer
    x = 1,069.96

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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.