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Finding the Fourth Proportional to 33,697,129.80, 50,545,694.70 and 12,135,059.40

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Solution

The fourth proportional to 33,697,129.80, 50,545,694.70 and 12,135,059.40 is: 18,202,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,697,129.80 : 50,545,694.70 = 12,135,059.40 : x
  2. Step 2: Convert to fraction form
    33,697,129.80/50,545,694.70 = 12,135,059.40/x
  3. Step 3: Cross multiply
    33,697,129.80x = 50,545,694.70 × 12,135,059.40
  4. Step 4: Simplify right side
    33,697,129.80x = 613,375,007,598,765.25
  5. Step 5: Solve for x
    x = 613,375,007,598,765.25/33,697,129.80
  6. Step 6: Final answer
    x = 18,202,589.10

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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.