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Finding the Fourth Proportional to 2,251.56, 3,372.48 and 2,196.48

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Solution

The fourth proportional to 2,251.56, 3,372.48 and 2,196.48 is: 3,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.56 : 3,372.48 = 2,196.48 : x
  2. Step 2: Convert to fraction form
    2,251.56/3,372.48 = 2,196.48/x
  3. Step 3: Cross multiply
    2,251.56x = 3,372.48 × 2,196.48
  4. Step 4: Simplify right side
    2,251.56x = 7,407,584.87
  5. Step 5: Solve for x
    x = 7,407,584.87/2,251.56
  6. Step 6: Final answer
    x = 3,289.98

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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.