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Finding the Fourth Proportional to 3,757.84, 5,639.99 and 1,450.96

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Solution

The fourth proportional to 3,757.84, 5,639.99 and 1,450.96 is: 2,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.84 : 5,639.99 = 1,450.96 : x
  2. Step 2: Convert to fraction form
    3,757.84/5,639.99 = 1,450.96/x
  3. Step 3: Cross multiply
    3,757.84x = 5,639.99 × 1,450.96
  4. Step 4: Simplify right side
    3,757.84x = 8,183,399.89
  5. Step 5: Solve for x
    x = 8,183,399.89/3,757.84
  6. Step 6: Final answer
    x = 2,177.69

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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.