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Finding the Fourth Proportional to 1,744.41, 2,616.99 and 757.23

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Solution

The fourth proportional to 1,744.41, 2,616.99 and 757.23 is: 1,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.41 : 2,616.99 = 757.23 : x
  2. Step 2: Convert to fraction form
    1,744.41/2,616.99 = 757.23/x
  3. Step 3: Cross multiply
    1,744.41x = 2,616.99 × 757.23
  4. Step 4: Simplify right side
    1,744.41x = 1,981,663.34
  5. Step 5: Solve for x
    x = 1,981,663.34/1,744.41
  6. Step 6: Final answer
    x = 1,136.01

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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.