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Finding the Fourth Proportional to 49,443, 68,231.38 and 27,087

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Solution

The fourth proportional to 49,443, 68,231.38 and 27,087 is: 37,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,443 : 68,231.38 = 27,087 : x
  2. Step 2: Convert to fraction form
    49,443/68,231.38 = 27,087/x
  3. Step 3: Cross multiply
    49,443x = 68,231.38 × 27,087
  4. Step 4: Simplify right side
    49,443x = 1,848,183,390.06
  5. Step 5: Solve for x
    x = 1,848,183,390.06/49,443
  6. Step 6: Final answer
    x = 37,380.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.