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Finding the Fourth Proportional to 26,508,879.20, 39,707,331.60 and 26,508,879.20

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Solution

The fourth proportional to 26,508,879.20, 39,707,331.60 and 26,508,879.20 is: 39,707,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508,879.20 : 39,707,331.60 = 26,508,879.20 : x
  2. Step 2: Convert to fraction form
    26,508,879.20/39,707,331.60 = 26,508,879.20/x
  3. Step 3: Cross multiply
    26,508,879.20x = 39,707,331.60 × 26,508,879.20
  4. Step 4: Simplify right side
    26,508,879.20x = 1,052,596,856,738,742.75
  5. Step 5: Solve for x
    x = 1,052,596,856,738,742.75/26,508,879.20
  6. Step 6: Final answer
    x = 39,707,331.60

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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.