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Finding the Fourth Proportional to 36,633, 50,553.57 and 19,866

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Solution

The fourth proportional to 36,633, 50,553.57 and 19,866 is: 27,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,633 : 50,553.57 = 19,866 : x
  2. Step 2: Convert to fraction form
    36,633/50,553.57 = 19,866/x
  3. Step 3: Cross multiply
    36,633x = 50,553.57 × 19,866
  4. Step 4: Simplify right side
    36,633x = 1,004,297,221.62
  5. Step 5: Solve for x
    x = 1,004,297,221.62/36,633
  6. Step 6: Final answer
    x = 27,415.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.