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Finding the Fourth Proportional to 36,860.78, 50,868.60 and 20,093.78

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Solution

The fourth proportional to 36,860.78, 50,868.60 and 20,093.78 is: 27,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,860.78 : 50,868.60 = 20,093.78 : x
  2. Step 2: Convert to fraction form
    36,860.78/50,868.60 = 20,093.78/x
  3. Step 3: Cross multiply
    36,860.78x = 50,868.60 × 20,093.78
  4. Step 4: Simplify right side
    36,860.78x = 1,022,142,457.31
  5. Step 5: Solve for x
    x = 1,022,142,457.31/36,860.78
  6. Step 6: Final answer
    x = 27,729.81

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1.5x scale

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.