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Finding the Fourth Proportional to 2,249.46, 3,105.54 and 1,504.68

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Solution

The fourth proportional to 2,249.46, 3,105.54 and 1,504.68 is: 2,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.46 : 3,105.54 = 1,504.68 : x
  2. Step 2: Convert to fraction form
    2,249.46/3,105.54 = 1,504.68/x
  3. Step 3: Cross multiply
    2,249.46x = 3,105.54 × 1,504.68
  4. Step 4: Simplify right side
    2,249.46x = 4,672,843.93
  5. Step 5: Solve for x
    x = 4,672,843.93/2,249.46
  6. Step 6: Final answer
    x = 2,077.32

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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.