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Finding the Fourth Proportional to 54,809.62, 82,223.04 and 23,219.78

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Solution

The fourth proportional to 54,809.62, 82,223.04 and 23,219.78 is: 34,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,809.62 : 82,223.04 = 23,219.78 : x
  2. Step 2: Convert to fraction form
    54,809.62/82,223.04 = 23,219.78/x
  3. Step 3: Cross multiply
    54,809.62x = 82,223.04 × 23,219.78
  4. Step 4: Simplify right side
    54,809.62x = 1,909,200,899.73
  5. Step 5: Solve for x
    x = 1,909,200,899.73/54,809.62
  6. Step 6: Final answer
    x = 34,833.32

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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.