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Finding the Fourth Proportional to 37,940.43, 56,916.78 and 14,249.82

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Solution

The fourth proportional to 37,940.43, 56,916.78 and 14,249.82 is: 21,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.43 : 56,916.78 = 14,249.82 : x
  2. Step 2: Convert to fraction form
    37,940.43/56,916.78 = 14,249.82/x
  3. Step 3: Cross multiply
    37,940.43x = 56,916.78 × 14,249.82
  4. Step 4: Simplify right side
    37,940.43x = 811,053,869.98
  5. Step 5: Solve for x
    x = 811,053,869.98/37,940.43
  6. Step 6: Final answer
    x = 21,377.03

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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.