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Finding the Fourth Proportional to 36,506.85, 50,379.45 and 19,739.85

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Solution

The fourth proportional to 36,506.85, 50,379.45 and 19,739.85 is: 27,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,506.85 : 50,379.45 = 19,739.85 : x
  2. Step 2: Convert to fraction form
    36,506.85/50,379.45 = 19,739.85/x
  3. Step 3: Cross multiply
    36,506.85x = 50,379.45 × 19,739.85
  4. Step 4: Simplify right side
    36,506.85x = 994,482,786.08
  5. Step 5: Solve for x
    x = 994,482,786.08/36,506.85
  6. Step 6: Final answer
    x = 27,240.99

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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.