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Finding the Fourth Proportional to 5,308.98, 7,954.81 and 3,229.62

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Solution

The fourth proportional to 5,308.98, 7,954.81 and 3,229.62 is: 4,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.98 : 7,954.81 = 3,229.62 : x
  2. Step 2: Convert to fraction form
    5,308.98/7,954.81 = 3,229.62/x
  3. Step 3: Cross multiply
    5,308.98x = 7,954.81 × 3,229.62
  4. Step 4: Simplify right side
    5,308.98x = 25,691,013.47
  5. Step 5: Solve for x
    x = 25,691,013.47/5,308.98
  6. Step 6: Final answer
    x = 4,839.16

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1.5x scale

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.