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Finding the Fourth Proportional to 8,245.26, 11,380.59 and 5,059.62

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Solution

The fourth proportional to 8,245.26, 11,380.59 and 5,059.62 is: 6,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.26 : 11,380.59 = 5,059.62 : x
  2. Step 2: Convert to fraction form
    8,245.26/11,380.59 = 5,059.62/x
  3. Step 3: Cross multiply
    8,245.26x = 11,380.59 × 5,059.62
  4. Step 4: Simplify right side
    8,245.26x = 57,581,460.78
  5. Step 5: Solve for x
    x = 57,581,460.78/8,245.26
  6. Step 6: Final answer
    x = 6,983.58

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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.