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Finding the Fourth Proportional to 3,073.52, 4,609.20 and 1,224.56

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Solution

The fourth proportional to 3,073.52, 4,609.20 and 1,224.56 is: 1,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.52 : 4,609.20 = 1,224.56 : x
  2. Step 2: Convert to fraction form
    3,073.52/4,609.20 = 1,224.56/x
  3. Step 3: Cross multiply
    3,073.52x = 4,609.20 × 1,224.56
  4. Step 4: Simplify right side
    3,073.52x = 5,644,241.95
  5. Step 5: Solve for x
    x = 5,644,241.95/3,073.52
  6. Step 6: Final answer
    x = 1,836.41

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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.