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Finding the Fourth Proportional to 27,940.73, 41,916.96 and 8,217.63

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Solution

The fourth proportional to 27,940.73, 41,916.96 and 8,217.63 is: 12,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.73 : 41,916.96 = 8,217.63 : x
  2. Step 2: Convert to fraction form
    27,940.73/41,916.96 = 8,217.63/x
  3. Step 3: Cross multiply
    27,940.73x = 41,916.96 × 8,217.63
  4. Step 4: Simplify right side
    27,940.73x = 344,458,026.92
  5. Step 5: Solve for x
    x = 344,458,026.92/27,940.73
  6. Step 6: Final answer
    x = 12,328.17

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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.