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Finding the Fourth Proportional to 3,452.73, 4,765.07 and 1,961.12

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Solution

The fourth proportional to 3,452.73, 4,765.07 and 1,961.12 is: 2,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.73 : 4,765.07 = 1,961.12 : x
  2. Step 2: Convert to fraction form
    3,452.73/4,765.07 = 1,961.12/x
  3. Step 3: Cross multiply
    3,452.73x = 4,765.07 × 1,961.12
  4. Step 4: Simplify right side
    3,452.73x = 9,344,855.16
  5. Step 5: Solve for x
    x = 9,344,855.16/3,452.73
  6. Step 6: Final answer
    x = 2,706.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.