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Finding the Fourth Proportional to 49,912.33, 68,879.13 and 27,251.51

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Solution

The fourth proportional to 49,912.33, 68,879.13 and 27,251.51 is: 37,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,912.33 : 68,879.13 = 27,251.51 : x
  2. Step 2: Convert to fraction form
    49,912.33/68,879.13 = 27,251.51/x
  3. Step 3: Cross multiply
    49,912.33x = 68,879.13 × 27,251.51
  4. Step 4: Simplify right side
    49,912.33x = 1,877,060,664.50
  5. Step 5: Solve for x
    x = 1,877,060,664.50/49,912.33
  6. Step 6: Final answer
    x = 37,607.16

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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.