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Finding the Fourth Proportional to 6,627.72, 9,942.84 and 2,244

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Solution

The fourth proportional to 6,627.72, 9,942.84 and 2,244 is: 3,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.72 : 9,942.84 = 2,244 : x
  2. Step 2: Convert to fraction form
    6,627.72/9,942.84 = 2,244/x
  3. Step 3: Cross multiply
    6,627.72x = 9,942.84 × 2,244
  4. Step 4: Simplify right side
    6,627.72x = 22,311,732.96
  5. Step 5: Solve for x
    x = 22,311,732.96/6,627.72
  6. Step 6: Final answer
    x = 3,366.43

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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.