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Finding the Fourth Proportional to 54,321.88, 81,455.04 and 22,723.39

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Solution

The fourth proportional to 54,321.88, 81,455.04 and 22,723.39 is: 34,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,321.88 : 81,455.04 = 22,723.39 : x
  2. Step 2: Convert to fraction form
    54,321.88/81,455.04 = 22,723.39/x
  3. Step 3: Cross multiply
    54,321.88x = 81,455.04 × 22,723.39
  4. Step 4: Simplify right side
    54,321.88x = 1,850,934,641.39
  5. Step 5: Solve for x
    x = 1,850,934,641.39/54,321.88
  6. Step 6: Final answer
    x = 34,073.46

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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.