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Finding the Fourth Proportional to 16,698,229.25, 25,055,914.07 and 7,954,410.06

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Solution

The fourth proportional to 16,698,229.25, 25,055,914.07 and 7,954,410.06 is: 11,935,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,698,229.25 : 25,055,914.07 = 7,954,410.06 : x
  2. Step 2: Convert to fraction form
    16,698,229.25/25,055,914.07 = 7,954,410.06/x
  3. Step 3: Cross multiply
    16,698,229.25x = 25,055,914.07 × 7,954,410.06
  4. Step 4: Simplify right side
    16,698,229.25x = 199,305,014,960,789.56
  5. Step 5: Solve for x
    x = 199,305,014,960,789.56/16,698,229.25
  6. Step 6: Final answer
    x = 11,935,697.61

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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.