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Finding the Fourth Proportional to 33,183.80, 45,793.14 and 18,279.80

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Solution

The fourth proportional to 33,183.80, 45,793.14 and 18,279.80 is: 25,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,183.80 : 45,793.14 = 18,279.80 : x
  2. Step 2: Convert to fraction form
    33,183.80/45,793.14 = 18,279.80/x
  3. Step 3: Cross multiply
    33,183.80x = 45,793.14 × 18,279.80
  4. Step 4: Simplify right side
    33,183.80x = 837,089,440.57
  5. Step 5: Solve for x
    x = 837,089,440.57/33,183.80
  6. Step 6: Final answer
    x = 25,225.85

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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.