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Finding the Fourth Proportional to 36,879.08, 50,892.48 and 20,112.08

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Solution

The fourth proportional to 36,879.08, 50,892.48 and 20,112.08 is: 27,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,879.08 : 50,892.48 = 20,112.08 : x
  2. Step 2: Convert to fraction form
    36,879.08/50,892.48 = 20,112.08/x
  3. Step 3: Cross multiply
    36,879.08x = 50,892.48 × 20,112.08
  4. Step 4: Simplify right side
    36,879.08x = 1,023,553,629.16
  5. Step 5: Solve for x
    x = 1,023,553,629.16/36,879.08
  6. Step 6: Final answer
    x = 27,754.32

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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.