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Finding the Fourth Proportional to 54,618.37, 81,976.37 and 27,982.50

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Solution

The fourth proportional to 54,618.37, 81,976.37 and 27,982.50 is: 41,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.37 : 81,976.37 = 27,982.50 : x
  2. Step 2: Convert to fraction form
    54,618.37/81,976.37 = 27,982.50/x
  3. Step 3: Cross multiply
    54,618.37x = 81,976.37 × 27,982.50
  4. Step 4: Simplify right side
    54,618.37x = 2,293,903,773.53
  5. Step 5: Solve for x
    x = 2,293,903,773.53/54,618.37
  6. Step 6: Final answer
    x = 41,998.76

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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.