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Finding the Fourth Proportional to 6,850.86, 9,454.60 and 3,867.46

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Solution

The fourth proportional to 6,850.86, 9,454.60 and 3,867.46 is: 5,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,850.86 : 9,454.60 = 3,867.46 : x
  2. Step 2: Convert to fraction form
    6,850.86/9,454.60 = 3,867.46/x
  3. Step 3: Cross multiply
    6,850.86x = 9,454.60 × 3,867.46
  4. Step 4: Simplify right side
    6,850.86x = 36,565,287.32
  5. Step 5: Solve for x
    x = 36,565,287.32/6,850.86
  6. Step 6: Final answer
    x = 5,337.33

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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.