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Finding the Fourth Proportional to 7,286.01, 10,933.22 and 3,390.40

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Solution

The fourth proportional to 7,286.01, 10,933.22 and 3,390.40 is: 5,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.01 : 10,933.22 = 3,390.40 : x
  2. Step 2: Convert to fraction form
    7,286.01/10,933.22 = 3,390.40/x
  3. Step 3: Cross multiply
    7,286.01x = 10,933.22 × 3,390.40
  4. Step 4: Simplify right side
    7,286.01x = 37,067,989.09
  5. Step 5: Solve for x
    x = 37,067,989.09/7,286.01
  6. Step 6: Final answer
    x = 5,087.56

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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.