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Finding the Fourth Proportional to 10,998.44, 16,498.22 and 3,207.84

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Solution

The fourth proportional to 10,998.44, 16,498.22 and 3,207.84 is: 4,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.44 : 16,498.22 = 3,207.84 : x
  2. Step 2: Convert to fraction form
    10,998.44/16,498.22 = 3,207.84/x
  3. Step 3: Cross multiply
    10,998.44x = 16,498.22 × 3,207.84
  4. Step 4: Simplify right side
    10,998.44x = 52,923,650.04
  5. Step 5: Solve for x
    x = 52,923,650.04/10,998.44
  6. Step 6: Final answer
    x = 4,811.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.