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Finding the Fourth Proportional to 36,673, 50,608.80 and 19,906

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Solution

The fourth proportional to 36,673, 50,608.80 and 19,906 is: 27,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,673 : 50,608.80 = 19,906 : x
  2. Step 2: Convert to fraction form
    36,673/50,608.80 = 19,906/x
  3. Step 3: Cross multiply
    36,673x = 50,608.80 × 19,906
  4. Step 4: Simplify right side
    36,673x = 1,007,418,772.80
  5. Step 5: Solve for x
    x = 1,007,418,772.80/36,673
  6. Step 6: Final answer
    x = 27,470.31

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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.