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Finding the Fourth Proportional to 33,503.40, 50,230.80 and 13,771.80

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Solution

The fourth proportional to 33,503.40, 50,230.80 and 13,771.80 is: 20,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,503.40 : 50,230.80 = 13,771.80 : x
  2. Step 2: Convert to fraction form
    33,503.40/50,230.80 = 13,771.80/x
  3. Step 3: Cross multiply
    33,503.40x = 50,230.80 × 13,771.80
  4. Step 4: Simplify right side
    33,503.40x = 691,768,531.44
  5. Step 5: Solve for x
    x = 691,768,531.44/33,503.40
  6. Step 6: Final answer
    x = 20,647.71

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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.