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Finding the Fourth Proportional to 1,768.04, 2,651.82 and 793.88

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Solution

The fourth proportional to 1,768.04, 2,651.82 and 793.88 is: 1,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.04 : 2,651.82 = 793.88 : x
  2. Step 2: Convert to fraction form
    1,768.04/2,651.82 = 793.88/x
  3. Step 3: Cross multiply
    1,768.04x = 2,651.82 × 793.88
  4. Step 4: Simplify right side
    1,768.04x = 2,105,226.86
  5. Step 5: Solve for x
    x = 2,105,226.86/1,768.04
  6. Step 6: Final answer
    x = 1,190.71

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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.