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Finding the Fourth Proportional to 8,049.86, 11,109.12 and 4,694.84

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Solution

The fourth proportional to 8,049.86, 11,109.12 and 4,694.84 is: 6,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.86 : 11,109.12 = 4,694.84 : x
  2. Step 2: Convert to fraction form
    8,049.86/11,109.12 = 4,694.84/x
  3. Step 3: Cross multiply
    8,049.86x = 11,109.12 × 4,694.84
  4. Step 4: Simplify right side
    8,049.86x = 52,155,540.94
  5. Step 5: Solve for x
    x = 52,155,540.94/8,049.86
  6. Step 6: Final answer
    x = 6,479.06

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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.