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Finding the Fourth Proportional to 54,717.60, 82,027.80 and 36,006.60

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Solution

The fourth proportional to 54,717.60, 82,027.80 and 36,006.60 is: 53,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,717.60 : 82,027.80 = 36,006.60 : x
  2. Step 2: Convert to fraction form
    54,717.60/82,027.80 = 36,006.60/x
  3. Step 3: Cross multiply
    54,717.60x = 82,027.80 × 36,006.60
  4. Step 4: Simplify right side
    54,717.60x = 2,953,542,183.48
  5. Step 5: Solve for x
    x = 2,953,542,183.48/54,717.60
  6. Step 6: Final answer
    x = 53,977.92

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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.