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Finding the Fourth Proportional to 36,122.94, 54,184.41 and 23,721.30

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Solution

The fourth proportional to 36,122.94, 54,184.41 and 23,721.30 is: 35,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.94 : 54,184.41 = 23,721.30 : x
  2. Step 2: Convert to fraction form
    36,122.94/54,184.41 = 23,721.30/x
  3. Step 3: Cross multiply
    36,122.94x = 54,184.41 × 23,721.30
  4. Step 4: Simplify right side
    36,122.94x = 1,285,324,644.93
  5. Step 5: Solve for x
    x = 1,285,324,644.93/36,122.94
  6. Step 6: Final answer
    x = 35,581.95

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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.