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Finding the Fourth Proportional to 6,879.54, 9,494.61 and 4,046.78

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Solution

The fourth proportional to 6,879.54, 9,494.61 and 4,046.78 is: 5,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.54 : 9,494.61 = 4,046.78 : x
  2. Step 2: Convert to fraction form
    6,879.54/9,494.61 = 4,046.78/x
  3. Step 3: Cross multiply
    6,879.54x = 9,494.61 × 4,046.78
  4. Step 4: Simplify right side
    6,879.54x = 38,422,597.86
  5. Step 5: Solve for x
    x = 38,422,597.86/6,879.54
  6. Step 6: Final answer
    x = 5,585.05

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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.