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Finding the Fourth Proportional to 36,959.75, 50,944.56 and 28,879.28

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Solution

The fourth proportional to 36,959.75, 50,944.56 and 28,879.28 is: 39,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,959.75 : 50,944.56 = 28,879.28 : x
  2. Step 2: Convert to fraction form
    36,959.75/50,944.56 = 28,879.28/x
  3. Step 3: Cross multiply
    36,959.75x = 50,944.56 × 28,879.28
  4. Step 4: Simplify right side
    36,959.75x = 1,471,242,212.72
  5. Step 5: Solve for x
    x = 1,471,242,212.72/36,959.75
  6. Step 6: Final answer
    x = 39,806.61

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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.