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Finding the Fourth Proportional to 54,593.93, 81,873.48 and 21,305.90

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Solution

The fourth proportional to 54,593.93, 81,873.48 and 21,305.90 is: 31,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,593.93 : 81,873.48 = 21,305.90 : x
  2. Step 2: Convert to fraction form
    54,593.93/81,873.48 = 21,305.90/x
  3. Step 3: Cross multiply
    54,593.93x = 81,873.48 × 21,305.90
  4. Step 4: Simplify right side
    54,593.93x = 1,744,388,177.53
  5. Step 5: Solve for x
    x = 1,744,388,177.53/54,593.93
  6. Step 6: Final answer
    x = 31,952.05

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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.