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Finding the Fourth Proportional to 36,646.38, 50,571.99 and 19,879.38

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Solution

The fourth proportional to 36,646.38, 50,571.99 and 19,879.38 is: 27,433.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,646.38 : 50,571.99 = 19,879.38 : x
  2. Step 2: Convert to fraction form
    36,646.38/50,571.99 = 19,879.38/x
  3. Step 3: Cross multiply
    36,646.38x = 50,571.99 × 19,879.38
  4. Step 4: Simplify right side
    36,646.38x = 1,005,339,806.57
  5. Step 5: Solve for x
    x = 1,005,339,806.57/36,646.38
  6. Step 6: Final answer
    x = 27,433.54

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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.