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Finding the Fourth Proportional to 36,808.72, 50,797.56 and 20,894.65

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Solution

The fourth proportional to 36,808.72, 50,797.56 and 20,894.65 is: 28,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808.72 : 50,797.56 = 20,894.65 : x
  2. Step 2: Convert to fraction form
    36,808.72/50,797.56 = 20,894.65/x
  3. Step 3: Cross multiply
    36,808.72x = 50,797.56 × 20,894.65
  4. Step 4: Simplify right side
    36,808.72x = 1,061,397,237.05
  5. Step 5: Solve for x
    x = 1,061,397,237.05/36,808.72
  6. Step 6: Final answer
    x = 28,835.48

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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.