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Finding the Fourth Proportional to 3,767.50, 5,651.88 and 1,169.92

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Solution

The fourth proportional to 3,767.50, 5,651.88 and 1,169.92 is: 1,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.50 : 5,651.88 = 1,169.92 : x
  2. Step 2: Convert to fraction form
    3,767.50/5,651.88 = 1,169.92/x
  3. Step 3: Cross multiply
    3,767.50x = 5,651.88 × 1,169.92
  4. Step 4: Simplify right side
    3,767.50x = 6,612,247.45
  5. Step 5: Solve for x
    x = 6,612,247.45/3,767.50
  6. Step 6: Final answer
    x = 1,755.08

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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.