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Finding the Fourth Proportional to 8,900.16, 13,349.92 and 2,744

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Solution

The fourth proportional to 8,900.16, 13,349.92 and 2,744 is: 4,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.16 : 13,349.92 = 2,744 : x
  2. Step 2: Convert to fraction form
    8,900.16/13,349.92 = 2,744/x
  3. Step 3: Cross multiply
    8,900.16x = 13,349.92 × 2,744
  4. Step 4: Simplify right side
    8,900.16x = 36,632,180.48
  5. Step 5: Solve for x
    x = 36,632,180.48/8,900.16
  6. Step 6: Final answer
    x = 4,115.90

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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.