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Finding the Fourth Proportional to 8,963.67, 13,446.21 and 2,724.22

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Solution

The fourth proportional to 8,963.67, 13,446.21 and 2,724.22 is: 4,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.67 : 13,446.21 = 2,724.22 : x
  2. Step 2: Convert to fraction form
    8,963.67/13,446.21 = 2,724.22/x
  3. Step 3: Cross multiply
    8,963.67x = 13,446.21 × 2,724.22
  4. Step 4: Simplify right side
    8,963.67x = 36,630,467.82
  5. Step 5: Solve for x
    x = 36,630,467.82/8,963.67
  6. Step 6: Final answer
    x = 4,086.55

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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.