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Finding the Fourth Proportional to 2,197.38, 3,296.07 and 963.84

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Solution

The fourth proportional to 2,197.38, 3,296.07 and 963.84 is: 1,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.38 : 3,296.07 = 963.84 : x
  2. Step 2: Convert to fraction form
    2,197.38/3,296.07 = 963.84/x
  3. Step 3: Cross multiply
    2,197.38x = 3,296.07 × 963.84
  4. Step 4: Simplify right side
    2,197.38x = 3,176,884.11
  5. Step 5: Solve for x
    x = 3,176,884.11/2,197.38
  6. Step 6: Final answer
    x = 1,445.76

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Similar ratio
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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.