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Finding the Fourth Proportional to 36,486.41, 50,351.24 and 19,719.41

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Solution

The fourth proportional to 36,486.41, 50,351.24 and 19,719.41 is: 27,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.41 : 50,351.24 = 19,719.41 : x
  2. Step 2: Convert to fraction form
    36,486.41/50,351.24 = 19,719.41/x
  3. Step 3: Cross multiply
    36,486.41x = 50,351.24 × 19,719.41
  4. Step 4: Simplify right side
    36,486.41x = 992,896,646.97
  5. Step 5: Solve for x
    x = 992,896,646.97/36,486.41
  6. Step 6: Final answer
    x = 27,212.78

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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.