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Finding the Fourth Proportional to 3,441.03, 5,161.57 and 843.97

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Solution

The fourth proportional to 3,441.03, 5,161.57 and 843.97 is: 1,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.03 : 5,161.57 = 843.97 : x
  2. Step 2: Convert to fraction form
    3,441.03/5,161.57 = 843.97/x
  3. Step 3: Cross multiply
    3,441.03x = 5,161.57 × 843.97
  4. Step 4: Simplify right side
    3,441.03x = 4,356,180.21
  5. Step 5: Solve for x
    x = 4,356,180.21/3,441.03
  6. Step 6: Final answer
    x = 1,265.95

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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.