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Finding the Fourth Proportional to 11,996.58, 17,993.48 and 3,230.82

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Solution

The fourth proportional to 11,996.58, 17,993.48 and 3,230.82 is: 4,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.58 : 17,993.48 = 3,230.82 : x
  2. Step 2: Convert to fraction form
    11,996.58/17,993.48 = 3,230.82/x
  3. Step 3: Cross multiply
    11,996.58x = 17,993.48 × 3,230.82
  4. Step 4: Simplify right side
    11,996.58x = 58,133,695.05
  5. Step 5: Solve for x
    x = 58,133,695.05/11,996.58
  6. Step 6: Final answer
    x = 4,845.86

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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.