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Finding the Fourth Proportional to 27,847.94, 41,775.88 and 9,123.97

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Solution

The fourth proportional to 27,847.94, 41,775.88 and 9,123.97 is: 13,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.94 : 41,775.88 = 9,123.97 : x
  2. Step 2: Convert to fraction form
    27,847.94/41,775.88 = 9,123.97/x
  3. Step 3: Cross multiply
    27,847.94x = 41,775.88 × 9,123.97
  4. Step 4: Simplify right side
    27,847.94x = 381,162,003.09
  5. Step 5: Solve for x
    x = 381,162,003.09/27,847.94
  6. Step 6: Final answer
    x = 13,687.26

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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.