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Finding the Fourth Proportional to 17,953,231.22, 26,969,704.91 and 11,134,843.20

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Solution

The fourth proportional to 17,953,231.22, 26,969,704.91 and 11,134,843.20 is: 16,726,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953,231.22 : 26,969,704.91 = 11,134,843.20 : x
  2. Step 2: Convert to fraction form
    17,953,231.22/26,969,704.91 = 11,134,843.20/x
  3. Step 3: Cross multiply
    17,953,231.22x = 26,969,704.91 × 11,134,843.20
  4. Step 4: Simplify right side
    17,953,231.22x = 300,303,435,323,120.06
  5. Step 5: Solve for x
    x = 300,303,435,323,120.06/17,953,231.22
  6. Step 6: Final answer
    x = 16,726,985.33

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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.