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Finding the Fourth Proportional to 961.84, 1,443.03 and 796.52

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Solution

The fourth proportional to 961.84, 1,443.03 and 796.52 is: 1,195.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.84 : 1,443.03 = 796.52 : x
  2. Step 2: Convert to fraction form
    961.84/1,443.03 = 796.52/x
  3. Step 3: Cross multiply
    961.84x = 1,443.03 × 796.52
  4. Step 4: Simplify right side
    961.84x = 1,149,405.86
  5. Step 5: Solve for x
    x = 1,149,405.86/961.84
  6. Step 6: Final answer
    x = 1,195.01

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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.