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Finding the Fourth Proportional to 33,687.59, 50,531.33 and 11,499.12

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Solution

The fourth proportional to 33,687.59, 50,531.33 and 11,499.12 is: 17,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,687.59 : 50,531.33 = 11,499.12 : x
  2. Step 2: Convert to fraction form
    33,687.59/50,531.33 = 11,499.12/x
  3. Step 3: Cross multiply
    33,687.59x = 50,531.33 × 11,499.12
  4. Step 4: Simplify right side
    33,687.59x = 581,065,769.93
  5. Step 5: Solve for x
    x = 581,065,769.93/33,687.59
  6. Step 6: Final answer
    x = 17,248.66

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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.