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Finding the Fourth Proportional to 2,245.56, 3,098.99 and 1,250.92

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Solution

The fourth proportional to 2,245.56, 3,098.99 and 1,250.92 is: 1,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.56 : 3,098.99 = 1,250.92 : x
  2. Step 2: Convert to fraction form
    2,245.56/3,098.99 = 1,250.92/x
  3. Step 3: Cross multiply
    2,245.56x = 3,098.99 × 1,250.92
  4. Step 4: Simplify right side
    2,245.56x = 3,876,588.57
  5. Step 5: Solve for x
    x = 3,876,588.57/2,245.56
  6. Step 6: Final answer
    x = 1,726.33

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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.