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Finding the Fourth Proportional to 2,757.62, 4,136.43 and 1,295.98

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Solution

The fourth proportional to 2,757.62, 4,136.43 and 1,295.98 is: 1,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.62 : 4,136.43 = 1,295.98 : x
  2. Step 2: Convert to fraction form
    2,757.62/4,136.43 = 1,295.98/x
  3. Step 3: Cross multiply
    2,757.62x = 4,136.43 × 1,295.98
  4. Step 4: Simplify right side
    2,757.62x = 5,360,730.55
  5. Step 5: Solve for x
    x = 5,360,730.55/2,757.62
  6. Step 6: Final answer
    x = 1,943.97

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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.