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Finding the Fourth Proportional to 36,469.21, 50,327.49 and 19,702.21

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Solution

The fourth proportional to 36,469.21, 50,327.49 and 19,702.21 is: 27,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,469.21 : 50,327.49 = 19,702.21 : x
  2. Step 2: Convert to fraction form
    36,469.21/50,327.49 = 19,702.21/x
  3. Step 3: Cross multiply
    36,469.21x = 50,327.49 × 19,702.21
  4. Step 4: Simplify right side
    36,469.21x = 991,562,776.75
  5. Step 5: Solve for x
    x = 991,562,776.75/36,469.21
  6. Step 6: Final answer
    x = 27,189.04

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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.