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Finding the Fourth Proportional to 6,754.41, 9,321.62 and 3,730.13

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Solution

The fourth proportional to 6,754.41, 9,321.62 and 3,730.13 is: 5,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.41 : 9,321.62 = 3,730.13 : x
  2. Step 2: Convert to fraction form
    6,754.41/9,321.62 = 3,730.13/x
  3. Step 3: Cross multiply
    6,754.41x = 9,321.62 × 3,730.13
  4. Step 4: Simplify right side
    6,754.41x = 34,770,789.15
  5. Step 5: Solve for x
    x = 34,770,789.15/6,754.41
  6. Step 6: Final answer
    x = 5,147.86

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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.