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Finding the Fourth Proportional to 36,828, 55,242 and 12,204

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Solution

The fourth proportional to 36,828, 55,242 and 12,204 is: 18,306

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,828 : 55,242 = 12,204 : x
  2. Step 2: Convert to fraction form
    36,828/55,242 = 12,204/x
  3. Step 3: Cross multiply
    36,828x = 55,242 × 12,204
  4. Step 4: Simplify right side
    36,828x = 674,173,368
  5. Step 5: Solve for x
    x = 674,173,368/36,828
  6. Step 6: Final answer
    x = 18,306

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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.