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Finding the Fourth Proportional to 2,232.62, 3,348.92 and 770.97

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Solution

The fourth proportional to 2,232.62, 3,348.92 and 770.97 is: 1,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.62 : 3,348.92 = 770.97 : x
  2. Step 2: Convert to fraction form
    2,232.62/3,348.92 = 770.97/x
  3. Step 3: Cross multiply
    2,232.62x = 3,348.92 × 770.97
  4. Step 4: Simplify right side
    2,232.62x = 2,581,918.78
  5. Step 5: Solve for x
    x = 2,581,918.78/2,232.62
  6. Step 6: Final answer
    x = 1,156.46

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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.