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Finding the Fourth Proportional to 13,195.82, 19,793.82 and 3,836.46

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Solution

The fourth proportional to 13,195.82, 19,793.82 and 3,836.46 is: 5,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.82 : 19,793.82 = 3,836.46 : x
  2. Step 2: Convert to fraction form
    13,195.82/19,793.82 = 3,836.46/x
  3. Step 3: Cross multiply
    13,195.82x = 19,793.82 × 3,836.46
  4. Step 4: Simplify right side
    13,195.82x = 75,938,198.68
  5. Step 5: Solve for x
    x = 75,938,198.68/13,195.82
  6. Step 6: Final answer
    x = 5,754.72

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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.