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Finding the Fourth Proportional to 54,571.56, 81,888.72 and 22,979.13

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Solution

The fourth proportional to 54,571.56, 81,888.72 and 22,979.13 is: 34,481.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,571.56 : 81,888.72 = 22,979.13 : x
  2. Step 2: Convert to fraction form
    54,571.56/81,888.72 = 22,979.13/x
  3. Step 3: Cross multiply
    54,571.56x = 81,888.72 × 22,979.13
  4. Step 4: Simplify right side
    54,571.56x = 1,881,731,542.41
  5. Step 5: Solve for x
    x = 1,881,731,542.41/54,571.56
  6. Step 6: Final answer
    x = 34,481.91

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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.