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Finding the Fourth Proportional to 17,861.41, 26,791.03 and 7,998.04

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Solution

The fourth proportional to 17,861.41, 26,791.03 and 7,998.04 is: 11,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.41 : 26,791.03 = 7,998.04 : x
  2. Step 2: Convert to fraction form
    17,861.41/26,791.03 = 7,998.04/x
  3. Step 3: Cross multiply
    17,861.41x = 26,791.03 × 7,998.04
  4. Step 4: Simplify right side
    17,861.41x = 214,275,729.58
  5. Step 5: Solve for x
    x = 214,275,729.58/17,861.41
  6. Step 6: Final answer
    x = 11,996.57

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1.5x scale

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.