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Finding the Fourth Proportional to 17,954.33, 26,936.91 and 8,090.96

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Solution

The fourth proportional to 17,954.33, 26,936.91 and 8,090.96 is: 12,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.33 : 26,936.91 = 8,090.96 : x
  2. Step 2: Convert to fraction form
    17,954.33/26,936.91 = 8,090.96/x
  3. Step 3: Cross multiply
    17,954.33x = 26,936.91 × 8,090.96
  4. Step 4: Simplify right side
    17,954.33x = 217,945,326.65
  5. Step 5: Solve for x
    x = 217,945,326.65/17,954.33
  6. Step 6: Final answer
    x = 12,138.88

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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.