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Finding the Fourth Proportional to 2,249.76, 3,373.20 and 2,017.92

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Solution

The fourth proportional to 2,249.76, 3,373.20 and 2,017.92 is: 3,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.76 : 3,373.20 = 2,017.92 : x
  2. Step 2: Convert to fraction form
    2,249.76/3,373.20 = 2,017.92/x
  3. Step 3: Cross multiply
    2,249.76x = 3,373.20 × 2,017.92
  4. Step 4: Simplify right side
    2,249.76x = 6,806,847.74
  5. Step 5: Solve for x
    x = 6,806,847.74/2,249.76
  6. Step 6: Final answer
    x = 3,025.59

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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.