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Finding the Fourth Proportional to 8,968.38, 13,452.11 and 2,728.37

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Solution

The fourth proportional to 8,968.38, 13,452.11 and 2,728.37 is: 4,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.38 : 13,452.11 = 2,728.37 : x
  2. Step 2: Convert to fraction form
    8,968.38/13,452.11 = 2,728.37/x
  3. Step 3: Cross multiply
    8,968.38x = 13,452.11 × 2,728.37
  4. Step 4: Simplify right side
    8,968.38x = 36,702,333.36
  5. Step 5: Solve for x
    x = 36,702,333.36/8,968.38
  6. Step 6: Final answer
    x = 4,092.42

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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.