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Finding the Fourth Proportional to 7,326.57, 10,991.21 and 2,396.48

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Solution

The fourth proportional to 7,326.57, 10,991.21 and 2,396.48 is: 3,595.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.57 : 10,991.21 = 2,396.48 : x
  2. Step 2: Convert to fraction form
    7,326.57/10,991.21 = 2,396.48/x
  3. Step 3: Cross multiply
    7,326.57x = 10,991.21 × 2,396.48
  4. Step 4: Simplify right side
    7,326.57x = 26,340,230.44
  5. Step 5: Solve for x
    x = 26,340,230.44/7,326.57
  6. Step 6: Final answer
    x = 3,595.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.