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Finding the Fourth Proportional to 11,989,593.73, 17,990,295.63 and 5,598,917.29

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Solution

The fourth proportional to 11,989,593.73, 17,990,295.63 and 5,598,917.29 is: 8,401,133.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989,593.73 : 17,990,295.63 = 5,598,917.29 : x
  2. Step 2: Convert to fraction form
    11,989,593.73/17,990,295.63 = 5,598,917.29/x
  3. Step 3: Cross multiply
    11,989,593.73x = 17,990,295.63 × 5,598,917.29
  4. Step 4: Simplify right side
    11,989,593.73x = 100,726,177,255,018.44
  5. Step 5: Solve for x
    x = 100,726,177,255,018.44/11,989,593.73
  6. Step 6: Final answer
    x = 8,401,133.48

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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.