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Finding the Fourth Proportional to 11,969,391.11, 17,956,608.56 and 3,881,736.12

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Solution

The fourth proportional to 11,969,391.11, 17,956,608.56 and 3,881,736.12 is: 5,823,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969,391.11 : 17,956,608.56 = 3,881,736.12 : x
  2. Step 2: Convert to fraction form
    11,969,391.11/17,956,608.56 = 3,881,736.12/x
  3. Step 3: Cross multiply
    11,969,391.11x = 17,956,608.56 × 3,881,736.12
  4. Step 4: Simplify right side
    11,969,391.11x = 69,702,816,040,053.19
  5. Step 5: Solve for x
    x = 69,702,816,040,053.19/11,969,391.11
  6. Step 6: Final answer
    x = 5,823,422.04

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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.