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Finding the Fourth Proportional to 17,997.73, 27,011.04 and 8,137.87

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Solution

The fourth proportional to 17,997.73, 27,011.04 and 8,137.87 is: 12,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.73 : 27,011.04 = 8,137.87 : x
  2. Step 2: Convert to fraction form
    17,997.73/27,011.04 = 8,137.87/x
  3. Step 3: Cross multiply
    17,997.73x = 27,011.04 × 8,137.87
  4. Step 4: Simplify right side
    17,997.73x = 219,812,234.04
  5. Step 5: Solve for x
    x = 219,812,234.04/17,997.73
  6. Step 6: Final answer
    x = 12,213.33

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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.