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Finding the Fourth Proportional to 33,487.20, 50,173.20 and 17,668.80

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Solution

The fourth proportional to 33,487.20, 50,173.20 and 17,668.80 is: 26,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,487.20 : 50,173.20 = 17,668.80 : x
  2. Step 2: Convert to fraction form
    33,487.20/50,173.20 = 17,668.80/x
  3. Step 3: Cross multiply
    33,487.20x = 50,173.20 × 17,668.80
  4. Step 4: Simplify right side
    33,487.20x = 886,500,236.16
  5. Step 5: Solve for x
    x = 886,500,236.16/33,487.20
  6. Step 6: Final answer
    x = 26,472.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.