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Finding the Fourth Proportional to 36,758.94, 50,727.24 and 19,991.94

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Solution

The fourth proportional to 36,758.94, 50,727.24 and 19,991.94 is: 27,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,758.94 : 50,727.24 = 19,991.94 : x
  2. Step 2: Convert to fraction form
    36,758.94/50,727.24 = 19,991.94/x
  3. Step 3: Cross multiply
    36,758.94x = 50,727.24 × 19,991.94
  4. Step 4: Simplify right side
    36,758.94x = 1,014,135,938.45
  5. Step 5: Solve for x
    x = 1,014,135,938.45/36,758.94
  6. Step 6: Final answer
    x = 27,588.82

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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.