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Finding the Fourth Proportional to 36,379.65, 50,202.27 and 20,247.78

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Solution

The fourth proportional to 36,379.65, 50,202.27 and 20,247.78 is: 27,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379.65 : 50,202.27 = 20,247.78 : x
  2. Step 2: Convert to fraction form
    36,379.65/50,202.27 = 20,247.78/x
  3. Step 3: Cross multiply
    36,379.65x = 50,202.27 × 20,247.78
  4. Step 4: Simplify right side
    36,379.65x = 1,016,484,518.46
  5. Step 5: Solve for x
    x = 1,016,484,518.46/36,379.65
  6. Step 6: Final answer
    x = 27,941.02

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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.