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Finding the Fourth Proportional to 6,879.37, 9,493.74 and 4,046.95

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Solution

The fourth proportional to 6,879.37, 9,493.74 and 4,046.95 is: 5,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.37 : 9,493.74 = 4,046.95 : x
  2. Step 2: Convert to fraction form
    6,879.37/9,493.74 = 4,046.95/x
  3. Step 3: Cross multiply
    6,879.37x = 9,493.74 × 4,046.95
  4. Step 4: Simplify right side
    6,879.37x = 38,420,691.09
  5. Step 5: Solve for x
    x = 38,420,691.09/6,879.37
  6. Step 6: Final answer
    x = 5,584.91

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1.5x scale

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.