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Finding the Fourth Proportional to 54,227.70, 81,327.15 and 16,787.70

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Solution

The fourth proportional to 54,227.70, 81,327.15 and 16,787.70 is: 25,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,227.70 : 81,327.15 = 16,787.70 : x
  2. Step 2: Convert to fraction form
    54,227.70/81,327.15 = 16,787.70/x
  3. Step 3: Cross multiply
    54,227.70x = 81,327.15 × 16,787.70
  4. Step 4: Simplify right side
    54,227.70x = 1,365,295,796.06
  5. Step 5: Solve for x
    x = 1,365,295,796.06/54,227.70
  6. Step 6: Final answer
    x = 25,177.09

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1.5x scale

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.