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Finding the Fourth Proportional to 11,238,793.58, 16,858,190.37 and 11,238,793.58

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Solution

The fourth proportional to 11,238,793.58, 16,858,190.37 and 11,238,793.58 is: 16,858,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238,793.58 : 16,858,190.37 = 11,238,793.58 : x
  2. Step 2: Convert to fraction form
    11,238,793.58/16,858,190.37 = 11,238,793.58/x
  3. Step 3: Cross multiply
    11,238,793.58x = 16,858,190.37 × 11,238,793.58
  4. Step 4: Simplify right side
    11,238,793.58x = 189,465,721,560,288.88
  5. Step 5: Solve for x
    x = 189,465,721,560,288.88/11,238,793.58
  6. Step 6: Final answer
    x = 16,858,190.37

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Double scale
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1.5x scale

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.