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Finding the Fourth Proportional to 50,247, 69,341.67 and 27,891

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Solution

The fourth proportional to 50,247, 69,341.67 and 27,891 is: 38,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,247 : 69,341.67 = 27,891 : x
  2. Step 2: Convert to fraction form
    50,247/69,341.67 = 27,891/x
  3. Step 3: Cross multiply
    50,247x = 69,341.67 × 27,891
  4. Step 4: Simplify right side
    50,247x = 1,934,008,517.97
  5. Step 5: Solve for x
    x = 1,934,008,517.97/50,247
  6. Step 6: Final answer
    x = 38,490.03

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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.