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Finding the Fourth Proportional to 36,860, 50,866.80 and 20,093.12

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Solution

The fourth proportional to 36,860, 50,866.80 and 20,093.12 is: 27,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,860 : 50,866.80 = 20,093.12 : x
  2. Step 2: Convert to fraction form
    36,860/50,866.80 = 20,093.12/x
  3. Step 3: Cross multiply
    36,860x = 50,866.80 × 20,093.12
  4. Step 4: Simplify right side
    36,860x = 1,022,072,716.42
  5. Step 5: Solve for x
    x = 1,022,072,716.42/36,860
  6. Step 6: Final answer
    x = 27,728.51

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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.