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Finding the Fourth Proportional to 3,329.55, 4,995.49 and 1,480.49

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Solution

The fourth proportional to 3,329.55, 4,995.49 and 1,480.49 is: 2,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.55 : 4,995.49 = 1,480.49 : x
  2. Step 2: Convert to fraction form
    3,329.55/4,995.49 = 1,480.49/x
  3. Step 3: Cross multiply
    3,329.55x = 4,995.49 × 1,480.49
  4. Step 4: Simplify right side
    3,329.55x = 7,395,789.18
  5. Step 5: Solve for x
    x = 7,395,789.18/3,329.55
  6. Step 6: Final answer
    x = 2,221.26

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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.