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Finding the Fourth Proportional to 17,992.13, 26,997.91 and 8,758.13

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Solution

The fourth proportional to 17,992.13, 26,997.91 and 8,758.13 is: 13,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.13 : 26,997.91 = 8,758.13 : x
  2. Step 2: Convert to fraction form
    17,992.13/26,997.91 = 8,758.13/x
  3. Step 3: Cross multiply
    17,992.13x = 26,997.91 × 8,758.13
  4. Step 4: Simplify right side
    17,992.13x = 236,451,048.62
  5. Step 5: Solve for x
    x = 236,451,048.62/17,992.13
  6. Step 6: Final answer
    x = 13,141.92

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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.