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Finding the Fourth Proportional to 2,255.49, 3,383.24 and 794.30

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Solution

The fourth proportional to 2,255.49, 3,383.24 and 794.30 is: 1,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.49 : 3,383.24 = 794.30 : x
  2. Step 2: Convert to fraction form
    2,255.49/3,383.24 = 794.30/x
  3. Step 3: Cross multiply
    2,255.49x = 3,383.24 × 794.30
  4. Step 4: Simplify right side
    2,255.49x = 2,687,286.64
  5. Step 5: Solve for x
    x = 2,687,286.64/2,255.49
  6. Step 6: Final answer
    x = 1,191.44

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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.