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Finding the Fourth Proportional to 36,759, 50,727.48 and 19,992

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Solution

The fourth proportional to 36,759, 50,727.48 and 19,992 is: 27,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,759 : 50,727.48 = 19,992 : x
  2. Step 2: Convert to fraction form
    36,759/50,727.48 = 19,992/x
  3. Step 3: Cross multiply
    36,759x = 50,727.48 × 19,992
  4. Step 4: Simplify right side
    36,759x = 1,014,143,780.16
  5. Step 5: Solve for x
    x = 1,014,143,780.16/36,759
  6. Step 6: Final answer
    x = 27,588.99

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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.