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Finding the Fourth Proportional to 3,767.52, 5,651.16 and 1,169.76

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Solution

The fourth proportional to 3,767.52, 5,651.16 and 1,169.76 is: 1,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.52 : 5,651.16 = 1,169.76 : x
  2. Step 2: Convert to fraction form
    3,767.52/5,651.16 = 1,169.76/x
  3. Step 3: Cross multiply
    3,767.52x = 5,651.16 × 1,169.76
  4. Step 4: Simplify right side
    3,767.52x = 6,610,500.92
  5. Step 5: Solve for x
    x = 6,610,500.92/3,767.52
  6. Step 6: Final answer
    x = 1,754.60

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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.