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Finding the Fourth Proportional to 27,336.49, 40,940.93 and 21,046.57

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Solution

The fourth proportional to 27,336.49, 40,940.93 and 21,046.57 is: 31,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,336.49 : 40,940.93 = 21,046.57 : x
  2. Step 2: Convert to fraction form
    27,336.49/40,940.93 = 21,046.57/x
  3. Step 3: Cross multiply
    27,336.49x = 40,940.93 × 21,046.57
  4. Step 4: Simplify right side
    27,336.49x = 861,666,099.37
  5. Step 5: Solve for x
    x = 861,666,099.37/27,336.49
  6. Step 6: Final answer
    x = 31,520.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.