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Finding the Fourth Proportional to 6,879.85, 9,494.15 and 3,736.04

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Solution

The fourth proportional to 6,879.85, 9,494.15 and 3,736.04 is: 5,155.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.85 : 9,494.15 = 3,736.04 : x
  2. Step 2: Convert to fraction form
    6,879.85/9,494.15 = 3,736.04/x
  3. Step 3: Cross multiply
    6,879.85x = 9,494.15 × 3,736.04
  4. Step 4: Simplify right side
    6,879.85x = 35,470,486.04
  5. Step 5: Solve for x
    x = 35,470,486.04/6,879.85
  6. Step 6: Final answer
    x = 5,155.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.