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Finding the Fourth Proportional to 1,169.35, 1,753.68 and 963.41

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Solution

The fourth proportional to 1,169.35, 1,753.68 and 963.41 is: 1,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.35 : 1,753.68 = 963.41 : x
  2. Step 2: Convert to fraction form
    1,169.35/1,753.68 = 963.41/x
  3. Step 3: Cross multiply
    1,169.35x = 1,753.68 × 963.41
  4. Step 4: Simplify right side
    1,169.35x = 1,689,514.27
  5. Step 5: Solve for x
    x = 1,689,514.27/1,169.35
  6. Step 6: Final answer
    x = 1,444.83

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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.