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Finding the Fourth Proportional to 2,449.52, 3,673.80 and 717.68

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Solution

The fourth proportional to 2,449.52, 3,673.80 and 717.68 is: 1,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.52 : 3,673.80 = 717.68 : x
  2. Step 2: Convert to fraction form
    2,449.52/3,673.80 = 717.68/x
  3. Step 3: Cross multiply
    2,449.52x = 3,673.80 × 717.68
  4. Step 4: Simplify right side
    2,449.52x = 2,636,612.78
  5. Step 5: Solve for x
    x = 2,636,612.78/2,449.52
  6. Step 6: Final answer
    x = 1,076.38

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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.