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Finding the Fourth Proportional to 3,672.88, 5,507.43 and 1,481.02

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Solution

The fourth proportional to 3,672.88, 5,507.43 and 1,481.02 is: 2,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.88 : 5,507.43 = 1,481.02 : x
  2. Step 2: Convert to fraction form
    3,672.88/5,507.43 = 1,481.02/x
  3. Step 3: Cross multiply
    3,672.88x = 5,507.43 × 1,481.02
  4. Step 4: Simplify right side
    3,672.88x = 8,156,613.98
  5. Step 5: Solve for x
    x = 8,156,613.98/3,672.88
  6. Step 6: Final answer
    x = 2,220.77

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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.