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Finding the Fourth Proportional to 2,249.85, 3,375.49 and 934.23

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Solution

The fourth proportional to 2,249.85, 3,375.49 and 934.23 is: 1,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.85 : 3,375.49 = 934.23 : x
  2. Step 2: Convert to fraction form
    2,249.85/3,375.49 = 934.23/x
  3. Step 3: Cross multiply
    2,249.85x = 3,375.49 × 934.23
  4. Step 4: Simplify right side
    2,249.85x = 3,153,496.10
  5. Step 5: Solve for x
    x = 3,153,496.10/2,249.85
  6. Step 6: Final answer
    x = 1,401.65

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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.