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Finding the Fourth Proportional to 2,329.49, 3,494.48 and 769.04

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Solution

The fourth proportional to 2,329.49, 3,494.48 and 769.04 is: 1,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.49 : 3,494.48 = 769.04 : x
  2. Step 2: Convert to fraction form
    2,329.49/3,494.48 = 769.04/x
  3. Step 3: Cross multiply
    2,329.49x = 3,494.48 × 769.04
  4. Step 4: Simplify right side
    2,329.49x = 2,687,373.58
  5. Step 5: Solve for x
    x = 2,687,373.58/2,329.49
  6. Step 6: Final answer
    x = 1,153.63

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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.