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Finding the Fourth Proportional to 2,914.82, 4,371.55 and 834.44

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Solution

The fourth proportional to 2,914.82, 4,371.55 and 834.44 is: 1,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.82 : 4,371.55 = 834.44 : x
  2. Step 2: Convert to fraction form
    2,914.82/4,371.55 = 834.44/x
  3. Step 3: Cross multiply
    2,914.82x = 4,371.55 × 834.44
  4. Step 4: Simplify right side
    2,914.82x = 3,647,796.18
  5. Step 5: Solve for x
    x = 3,647,796.18/2,914.82
  6. Step 6: Final answer
    x = 1,251.47

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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.