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Finding the Fourth Proportional to 54,481.43, 81,722.16 and 23,294.81

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Solution

The fourth proportional to 54,481.43, 81,722.16 and 23,294.81 is: 34,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.43 : 81,722.16 = 23,294.81 : x
  2. Step 2: Convert to fraction form
    54,481.43/81,722.16 = 23,294.81/x
  3. Step 3: Cross multiply
    54,481.43x = 81,722.16 × 23,294.81
  4. Step 4: Simplify right side
    54,481.43x = 1,903,702,394.30
  5. Step 5: Solve for x
    x = 1,903,702,394.30/54,481.43
  6. Step 6: Final answer
    x = 34,942.22

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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.