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Finding the Fourth Proportional to 16,947,997.92, 25,412,422.92 and 15,501,896.12

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Solution

The fourth proportional to 16,947,997.92, 25,412,422.92 and 15,501,896.12 is: 23,244,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947,997.92 : 25,412,422.92 = 15,501,896.12 : x
  2. Step 2: Convert to fraction form
    16,947,997.92/25,412,422.92 = 15,501,896.12/x
  3. Step 3: Cross multiply
    16,947,997.92x = 25,412,422.92 × 15,501,896.12
  4. Step 4: Simplify right side
    16,947,997.92x = 393,940,740,136,285
  5. Step 5: Solve for x
    x = 393,940,740,136,285/16,947,997.92
  6. Step 6: Final answer
    x = 23,244,087.12

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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.