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Finding the Fourth Proportional to 4,488.96, 6,724.17 and 2,634.48

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Solution

The fourth proportional to 4,488.96, 6,724.17 and 2,634.48 is: 3,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.96 : 6,724.17 = 2,634.48 : x
  2. Step 2: Convert to fraction form
    4,488.96/6,724.17 = 2,634.48/x
  3. Step 3: Cross multiply
    4,488.96x = 6,724.17 × 2,634.48
  4. Step 4: Simplify right side
    4,488.96x = 17,714,691.38
  5. Step 5: Solve for x
    x = 17,714,691.38/4,488.96
  6. Step 6: Final answer
    x = 3,946.28

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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.