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Finding the Fourth Proportional to 36,469.75, 50,328.27 and 19,702.75

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Solution

The fourth proportional to 36,469.75, 50,328.27 and 19,702.75 is: 27,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,469.75 : 50,328.27 = 19,702.75 : x
  2. Step 2: Convert to fraction form
    36,469.75/50,328.27 = 19,702.75/x
  3. Step 3: Cross multiply
    36,469.75x = 50,328.27 × 19,702.75
  4. Step 4: Simplify right side
    36,469.75x = 991,605,321.74
  5. Step 5: Solve for x
    x = 991,605,321.74/36,469.75
  6. Step 6: Final answer
    x = 27,189.80

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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.