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Finding the Fourth Proportional to 67,993.49, 101,982.07 and 18,077.41

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Solution

The fourth proportional to 67,993.49, 101,982.07 and 18,077.41 is: 27,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,993.49 : 101,982.07 = 18,077.41 : x
  2. Step 2: Convert to fraction form
    67,993.49/101,982.07 = 18,077.41/x
  3. Step 3: Cross multiply
    67,993.49x = 101,982.07 × 18,077.41
  4. Step 4: Simplify right side
    67,993.49x = 1,843,571,842.11
  5. Step 5: Solve for x
    x = 1,843,571,842.11/67,993.49
  6. Step 6: Final answer
    x = 27,113.95

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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.