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Finding the Fourth Proportional to 45,199.82, 67,793.96 and 11,922.39

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Solution

The fourth proportional to 45,199.82, 67,793.96 and 11,922.39 is: 17,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,199.82 : 67,793.96 = 11,922.39 : x
  2. Step 2: Convert to fraction form
    45,199.82/67,793.96 = 11,922.39/x
  3. Step 3: Cross multiply
    45,199.82x = 67,793.96 × 11,922.39
  4. Step 4: Simplify right side
    45,199.82x = 808,266,060.57
  5. Step 5: Solve for x
    x = 808,266,060.57/45,199.82
  6. Step 6: Final answer
    x = 17,882.06

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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.