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Finding the Fourth Proportional to 2,722.68, 3,759.11 and 2,427.44

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Solution

The fourth proportional to 2,722.68, 3,759.11 and 2,427.44 is: 3,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.68 : 3,759.11 = 2,427.44 : x
  2. Step 2: Convert to fraction form
    2,722.68/3,759.11 = 2,427.44/x
  3. Step 3: Cross multiply
    2,722.68x = 3,759.11 × 2,427.44
  4. Step 4: Simplify right side
    2,722.68x = 9,124,983.05
  5. Step 5: Solve for x
    x = 9,124,983.05/2,722.68
  6. Step 6: Final answer
    x = 3,351.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.