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Finding the Fourth Proportional to 5,361.81, 7,399.29 and 3,003.96

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Solution

The fourth proportional to 5,361.81, 7,399.29 and 3,003.96 is: 4,145.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.81 : 7,399.29 = 3,003.96 : x
  2. Step 2: Convert to fraction form
    5,361.81/7,399.29 = 3,003.96/x
  3. Step 3: Cross multiply
    5,361.81x = 7,399.29 × 3,003.96
  4. Step 4: Simplify right side
    5,361.81x = 22,227,171.19
  5. Step 5: Solve for x
    x = 22,227,171.19/5,361.81
  6. Step 6: Final answer
    x = 4,145.46

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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.