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Finding the Fourth Proportional to 2,744.99, 4,118.17 and 896.21

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Solution

The fourth proportional to 2,744.99, 4,118.17 and 896.21 is: 1,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.99 : 4,118.17 = 896.21 : x
  2. Step 2: Convert to fraction form
    2,744.99/4,118.17 = 896.21/x
  3. Step 3: Cross multiply
    2,744.99x = 4,118.17 × 896.21
  4. Step 4: Simplify right side
    2,744.99x = 3,690,745.14
  5. Step 5: Solve for x
    x = 3,690,745.14/2,744.99
  6. Step 6: Final answer
    x = 1,344.54

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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.