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Finding the Fourth Proportional to 3,734.20, 5,601.20 and 960.88

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Solution

The fourth proportional to 3,734.20, 5,601.20 and 960.88 is: 1,441.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.20 : 5,601.20 = 960.88 : x
  2. Step 2: Convert to fraction form
    3,734.20/5,601.20 = 960.88/x
  3. Step 3: Cross multiply
    3,734.20x = 5,601.20 × 960.88
  4. Step 4: Simplify right side
    3,734.20x = 5,382,081.06
  5. Step 5: Solve for x
    x = 5,382,081.06/3,734.20
  6. Step 6: Final answer
    x = 1,441.29

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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.