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Finding the Fourth Proportional to 36,392.85, 54,591.80 and 14,198.85

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Solution

The fourth proportional to 36,392.85, 54,591.80 and 14,198.85 is: 21,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,392.85 : 54,591.80 = 14,198.85 : x
  2. Step 2: Convert to fraction form
    36,392.85/54,591.80 = 14,198.85/x
  3. Step 3: Cross multiply
    36,392.85x = 54,591.80 × 14,198.85
  4. Step 4: Simplify right side
    36,392.85x = 775,140,708.44
  5. Step 5: Solve for x
    x = 775,140,708.44/36,392.85
  6. Step 6: Final answer
    x = 21,299.26

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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.