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Finding the Fourth Proportional to 11,996.88, 17,993.27 and 3,229.74

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Solution

The fourth proportional to 11,996.88, 17,993.27 and 3,229.74 is: 4,844.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.88 : 17,993.27 = 3,229.74 : x
  2. Step 2: Convert to fraction form
    11,996.88/17,993.27 = 3,229.74/x
  3. Step 3: Cross multiply
    11,996.88x = 17,993.27 × 3,229.74
  4. Step 4: Simplify right side
    11,996.88x = 58,113,567.70
  5. Step 5: Solve for x
    x = 58,113,567.70/11,996.88
  6. Step 6: Final answer
    x = 4,844.06

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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.