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Finding the Fourth Proportional to 17,997.46, 26,996.33 and 11,760.46

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Solution

The fourth proportional to 17,997.46, 26,996.33 and 11,760.46 is: 17,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.46 : 26,996.33 = 11,760.46 : x
  2. Step 2: Convert to fraction form
    17,997.46/26,996.33 = 11,760.46/x
  3. Step 3: Cross multiply
    17,997.46x = 26,996.33 × 11,760.46
  4. Step 4: Simplify right side
    17,997.46x = 317,489,259.11
  5. Step 5: Solve for x
    x = 317,489,259.11/17,997.46
  6. Step 6: Final answer
    x = 17,640.78

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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.