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Finding the Fourth Proportional to 11,992.66, 17,988.99 and 3,227.34

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Solution

The fourth proportional to 11,992.66, 17,988.99 and 3,227.34 is: 4,841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.66 : 17,988.99 = 3,227.34 : x
  2. Step 2: Convert to fraction form
    11,992.66/17,988.99 = 3,227.34/x
  3. Step 3: Cross multiply
    11,992.66x = 17,988.99 × 3,227.34
  4. Step 4: Simplify right side
    11,992.66x = 58,056,642.34
  5. Step 5: Solve for x
    x = 58,056,642.34/11,992.66
  6. Step 6: Final answer
    x = 4,841.02

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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.