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Finding the Fourth Proportional to 6,520.56, 8,996.04 and 3,724.44

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Solution

The fourth proportional to 6,520.56, 8,996.04 and 3,724.44 is: 5,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.56 : 8,996.04 = 3,724.44 : x
  2. Step 2: Convert to fraction form
    6,520.56/8,996.04 = 3,724.44/x
  3. Step 3: Cross multiply
    6,520.56x = 8,996.04 × 3,724.44
  4. Step 4: Simplify right side
    6,520.56x = 33,505,211.22
  5. Step 5: Solve for x
    x = 33,505,211.22/6,520.56
  6. Step 6: Final answer
    x = 5,138.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.