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Finding the Fourth Proportional to 2,399.66, 3,600.06 and 756.17

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Solution

The fourth proportional to 2,399.66, 3,600.06 and 756.17 is: 1,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.66 : 3,600.06 = 756.17 : x
  2. Step 2: Convert to fraction form
    2,399.66/3,600.06 = 756.17/x
  3. Step 3: Cross multiply
    2,399.66x = 3,600.06 × 756.17
  4. Step 4: Simplify right side
    2,399.66x = 2,722,250.03
  5. Step 5: Solve for x
    x = 2,722,250.03/2,399.66
  6. Step 6: Final answer
    x = 1,134.43

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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.