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Finding the Fourth Proportional to 2,767.29, 4,150.97 and 793.16

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Solution

The fourth proportional to 2,767.29, 4,150.97 and 793.16 is: 1,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.29 : 4,150.97 = 793.16 : x
  2. Step 2: Convert to fraction form
    2,767.29/4,150.97 = 793.16/x
  3. Step 3: Cross multiply
    2,767.29x = 4,150.97 × 793.16
  4. Step 4: Simplify right side
    2,767.29x = 3,292,358.64
  5. Step 5: Solve for x
    x = 3,292,358.64/2,767.29
  6. Step 6: Final answer
    x = 1,189.74

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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.