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Finding the Fourth Proportional to 3,672.80, 5,500.56 and 2,844.48

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Solution

The fourth proportional to 3,672.80, 5,500.56 and 2,844.48 is: 4,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.80 : 5,500.56 = 2,844.48 : x
  2. Step 2: Convert to fraction form
    3,672.80/5,500.56 = 2,844.48/x
  3. Step 3: Cross multiply
    3,672.80x = 5,500.56 × 2,844.48
  4. Step 4: Simplify right side
    3,672.80x = 15,646,232.91
  5. Step 5: Solve for x
    x = 15,646,232.91/3,672.80
  6. Step 6: Final answer
    x = 4,260.03

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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.