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Finding the Fourth Proportional to 5,334.28, 7,361.30 and 2,976.42

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Solution

The fourth proportional to 5,334.28, 7,361.30 and 2,976.42 is: 4,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.28 : 7,361.30 = 2,976.42 : x
  2. Step 2: Convert to fraction form
    5,334.28/7,361.30 = 2,976.42/x
  3. Step 3: Cross multiply
    5,334.28x = 7,361.30 × 2,976.42
  4. Step 4: Simplify right side
    5,334.28x = 21,910,291.18
  5. Step 5: Solve for x
    x = 21,910,291.18/5,334.28
  6. Step 6: Final answer
    x = 4,107.45

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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.