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Finding the Fourth Proportional to 6,481.26, 8,947.17 and 4,243.23

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Solution

The fourth proportional to 6,481.26, 8,947.17 and 4,243.23 is: 5,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.26 : 8,947.17 = 4,243.23 : x
  2. Step 2: Convert to fraction form
    6,481.26/8,947.17 = 4,243.23/x
  3. Step 3: Cross multiply
    6,481.26x = 8,947.17 × 4,243.23
  4. Step 4: Simplify right side
    6,481.26x = 37,964,900.16
  5. Step 5: Solve for x
    x = 37,964,900.16/6,481.26
  6. Step 6: Final answer
    x = 5,857.64

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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.