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Finding the Fourth Proportional to 36,647,523.70, 54,978,043.38 and 12,056,834.95

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Solution

The fourth proportional to 36,647,523.70, 54,978,043.38 and 12,056,834.95 is: 18,087,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,647,523.70 : 54,978,043.38 = 12,056,834.95 : x
  2. Step 2: Convert to fraction form
    36,647,523.70/54,978,043.38 = 12,056,834.95/x
  3. Step 3: Cross multiply
    36,647,523.70x = 54,978,043.38 × 12,056,834.95
  4. Step 4: Simplify right side
    36,647,523.70x = 662,861,194,906,600.12
  5. Step 5: Solve for x
    x = 662,861,194,906,600.12/36,647,523.70
  6. Step 6: Final answer
    x = 18,087,475.71

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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.