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Finding the Fourth Proportional to 2,839.52, 4,229.38 and 2,659.52

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Solution

The fourth proportional to 2,839.52, 4,229.38 and 2,659.52 is: 3,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.52 : 4,229.38 = 2,659.52 : x
  2. Step 2: Convert to fraction form
    2,839.52/4,229.38 = 2,659.52/x
  3. Step 3: Cross multiply
    2,839.52x = 4,229.38 × 2,659.52
  4. Step 4: Simplify right side
    2,839.52x = 11,248,120.70
  5. Step 5: Solve for x
    x = 11,248,120.70/2,839.52
  6. Step 6: Final answer
    x = 3,961.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.