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Finding the Fourth Proportional to 36,908.75, 50,934.12 and 20,141.75

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Solution

The fourth proportional to 36,908.75, 50,934.12 and 20,141.75 is: 27,795.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,908.75 : 50,934.12 = 20,141.75 : x
  2. Step 2: Convert to fraction form
    36,908.75/50,934.12 = 20,141.75/x
  3. Step 3: Cross multiply
    36,908.75x = 50,934.12 × 20,141.75
  4. Step 4: Simplify right side
    36,908.75x = 1,025,902,311.51
  5. Step 5: Solve for x
    x = 1,025,902,311.51/36,908.75
  6. Step 6: Final answer
    x = 27,795.64

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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.