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Finding the Fourth Proportional to 6,866.22, 9,474.79 and 3,995.48

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Solution

The fourth proportional to 6,866.22, 9,474.79 and 3,995.48 is: 5,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.22 : 9,474.79 = 3,995.48 : x
  2. Step 2: Convert to fraction form
    6,866.22/9,474.79 = 3,995.48/x
  3. Step 3: Cross multiply
    6,866.22x = 9,474.79 × 3,995.48
  4. Step 4: Simplify right side
    6,866.22x = 37,856,333.95
  5. Step 5: Solve for x
    x = 37,856,333.95/6,866.22
  6. Step 6: Final answer
    x = 5,513.42

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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.