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Finding the Fourth Proportional to 6,444.43, 8,891.28 and 3,611.41

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Solution

The fourth proportional to 6,444.43, 8,891.28 and 3,611.41 is: 4,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.43 : 8,891.28 = 3,611.41 : x
  2. Step 2: Convert to fraction form
    6,444.43/8,891.28 = 3,611.41/x
  3. Step 3: Cross multiply
    6,444.43x = 8,891.28 × 3,611.41
  4. Step 4: Simplify right side
    6,444.43x = 32,110,057.50
  5. Step 5: Solve for x
    x = 32,110,057.50/6,444.43
  6. Step 6: Final answer
    x = 4,982.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.