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Finding the Fourth Proportional to 2,250.56, 3,370.98 and 2,195.48

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Solution

The fourth proportional to 2,250.56, 3,370.98 and 2,195.48 is: 3,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.56 : 3,370.98 = 2,195.48 : x
  2. Step 2: Convert to fraction form
    2,250.56/3,370.98 = 2,195.48/x
  3. Step 3: Cross multiply
    2,250.56x = 3,370.98 × 2,195.48
  4. Step 4: Simplify right side
    2,250.56x = 7,400,919.17
  5. Step 5: Solve for x
    x = 7,400,919.17/2,250.56
  6. Step 6: Final answer
    x = 3,288.48

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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.