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Finding the Fourth Proportional to 5,419.96, 7,474.20 and 3,295.78

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Solution

The fourth proportional to 5,419.96, 7,474.20 and 3,295.78 is: 4,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.96 : 7,474.20 = 3,295.78 : x
  2. Step 2: Convert to fraction form
    5,419.96/7,474.20 = 3,295.78/x
  3. Step 3: Cross multiply
    5,419.96x = 7,474.20 × 3,295.78
  4. Step 4: Simplify right side
    5,419.96x = 24,633,318.88
  5. Step 5: Solve for x
    x = 24,633,318.88/5,419.96
  6. Step 6: Final answer
    x = 4,544.93

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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.