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Finding the Fourth Proportional to 27,453.56, 37,843.98 and 16,823.48

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Solution

The fourth proportional to 27,453.56, 37,843.98 and 16,823.48 is: 23,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.56 : 37,843.98 = 16,823.48 : x
  2. Step 2: Convert to fraction form
    27,453.56/37,843.98 = 16,823.48/x
  3. Step 3: Cross multiply
    27,453.56x = 37,843.98 × 16,823.48
  4. Step 4: Simplify right side
    27,453.56x = 636,667,440.65
  5. Step 5: Solve for x
    x = 636,667,440.65/27,453.56
  6. Step 6: Final answer
    x = 23,190.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.