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Finding the Fourth Proportional to 18,617.36, 27,926.22 and 5,469.96

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Solution

The fourth proportional to 18,617.36, 27,926.22 and 5,469.96 is: 8,204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.36 : 27,926.22 = 5,469.96 : x
  2. Step 2: Convert to fraction form
    18,617.36/27,926.22 = 5,469.96/x
  3. Step 3: Cross multiply
    18,617.36x = 27,926.22 × 5,469.96
  4. Step 4: Simplify right side
    18,617.36x = 152,755,306.35
  5. Step 5: Solve for x
    x = 152,755,306.35/18,617.36
  6. Step 6: Final answer
    x = 8,204.99

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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.