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Finding the Fourth Proportional to 36,469.40, 50,327.76 and 19,702.40

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Solution

The fourth proportional to 36,469.40, 50,327.76 and 19,702.40 is: 27,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,469.40 : 50,327.76 = 19,702.40 : x
  2. Step 2: Convert to fraction form
    36,469.40/50,327.76 = 19,702.40/x
  3. Step 3: Cross multiply
    36,469.40x = 50,327.76 × 19,702.40
  4. Step 4: Simplify right side
    36,469.40x = 991,577,658.62
  5. Step 5: Solve for x
    x = 991,577,658.62/36,469.40
  6. Step 6: Final answer
    x = 27,189.31

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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.