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Finding the Fourth Proportional to 8,633.73, 12,942.41 and 5,504.96

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Solution

The fourth proportional to 8,633.73, 12,942.41 and 5,504.96 is: 8,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.73 : 12,942.41 = 5,504.96 : x
  2. Step 2: Convert to fraction form
    8,633.73/12,942.41 = 5,504.96/x
  3. Step 3: Cross multiply
    8,633.73x = 12,942.41 × 5,504.96
  4. Step 4: Simplify right side
    8,633.73x = 71,247,357.12
  5. Step 5: Solve for x
    x = 71,247,357.12/8,633.73
  6. Step 6: Final answer
    x = 8,252.21

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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.