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Finding the Fourth Proportional to 27,863.28, 41,747.84 and 13,804.56

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Solution

The fourth proportional to 27,863.28, 41,747.84 and 13,804.56 is: 20,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,863.28 : 41,747.84 = 13,804.56 : x
  2. Step 2: Convert to fraction form
    27,863.28/41,747.84 = 13,804.56/x
  3. Step 3: Cross multiply
    27,863.28x = 41,747.84 × 13,804.56
  4. Step 4: Simplify right side
    27,863.28x = 576,310,562.15
  5. Step 5: Solve for x
    x = 576,310,562.15/27,863.28
  6. Step 6: Final answer
    x = 20,683.51

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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.