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Finding the Fourth Proportional to 11,998.62, 17,993.61 and 5,073.66

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Solution

The fourth proportional to 11,998.62, 17,993.61 and 5,073.66 is: 7,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.62 : 17,993.61 = 5,073.66 : x
  2. Step 2: Convert to fraction form
    11,998.62/17,993.61 = 5,073.66/x
  3. Step 3: Cross multiply
    11,998.62x = 17,993.61 × 5,073.66
  4. Step 4: Simplify right side
    11,998.62x = 91,293,459.31
  5. Step 5: Solve for x
    x = 91,293,459.31/11,998.62
  6. Step 6: Final answer
    x = 7,608.66

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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.