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Finding the Fourth Proportional to 6,622.56, 9,926.82 and 2,672.73

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Solution

The fourth proportional to 6,622.56, 9,926.82 and 2,672.73 is: 4,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.56 : 9,926.82 = 2,672.73 : x
  2. Step 2: Convert to fraction form
    6,622.56/9,926.82 = 2,672.73/x
  3. Step 3: Cross multiply
    6,622.56x = 9,926.82 × 2,672.73
  4. Step 4: Simplify right side
    6,622.56x = 26,531,709.62
  5. Step 5: Solve for x
    x = 26,531,709.62/6,622.56
  6. Step 6: Final answer
    x = 4,006.26

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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.