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Finding the Fourth Proportional to 7,395.87, 11,101.23 and 3,449.82

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Solution

The fourth proportional to 7,395.87, 11,101.23 and 3,449.82 is: 5,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.87 : 11,101.23 = 3,449.82 : x
  2. Step 2: Convert to fraction form
    7,395.87/11,101.23 = 3,449.82/x
  3. Step 3: Cross multiply
    7,395.87x = 11,101.23 × 3,449.82
  4. Step 4: Simplify right side
    7,395.87x = 38,297,245.28
  5. Step 5: Solve for x
    x = 38,297,245.28/7,395.87
  6. Step 6: Final answer
    x = 5,178.19

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Why These Related Problems?

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