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Finding the Fourth Proportional to 36,717, 50,669.60 and 19,950

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Solution

The fourth proportional to 36,717, 50,669.60 and 19,950 is: 27,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,717 : 50,669.60 = 19,950 : x
  2. Step 2: Convert to fraction form
    36,717/50,669.60 = 19,950/x
  3. Step 3: Cross multiply
    36,717x = 50,669.60 × 19,950
  4. Step 4: Simplify right side
    36,717x = 1,010,858,420.25
  5. Step 5: Solve for x
    x = 1,010,858,420.25/36,717
  6. Step 6: Final answer
    x = 27,531.07

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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.