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Finding the Fourth Proportional to 73,734, 110,601.41 and 18,330

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Solution

The fourth proportional to 73,734, 110,601.41 and 18,330 is: 27,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,734 : 110,601.41 = 18,330 : x
  2. Step 2: Convert to fraction form
    73,734/110,601.41 = 18,330/x
  3. Step 3: Cross multiply
    73,734x = 110,601.41 × 18,330
  4. Step 4: Simplify right side
    73,734x = 2,027,323,753.65
  5. Step 5: Solve for x
    x = 2,027,323,753.65/73,734
  6. Step 6: Final answer
    x = 27,495.10

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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.