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Finding the Fourth Proportional to 2,799.12, 4,198.14 and 951.24

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Solution

The fourth proportional to 2,799.12, 4,198.14 and 951.24 is: 1,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.12 : 4,198.14 = 951.24 : x
  2. Step 2: Convert to fraction form
    2,799.12/4,198.14 = 951.24/x
  3. Step 3: Cross multiply
    2,799.12x = 4,198.14 × 951.24
  4. Step 4: Simplify right side
    2,799.12x = 3,993,438.69
  5. Step 5: Solve for x
    x = 3,993,438.69/2,799.12
  6. Step 6: Final answer
    x = 1,426.68

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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.