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Finding the Fourth Proportional to 54,010.20, 81,015.30 and 34,983.30

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Solution

The fourth proportional to 54,010.20, 81,015.30 and 34,983.30 is: 52,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,010.20 : 81,015.30 = 34,983.30 : x
  2. Step 2: Convert to fraction form
    54,010.20/81,015.30 = 34,983.30/x
  3. Step 3: Cross multiply
    54,010.20x = 81,015.30 × 34,983.30
  4. Step 4: Simplify right side
    54,010.20x = 2,834,182,544.49
  5. Step 5: Solve for x
    x = 2,834,182,544.49/54,010.20
  6. Step 6: Final answer
    x = 52,474.95

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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.