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Finding the Fourth Proportional to 10,808.02, 16,218.11 and 4,965.09

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Solution

The fourth proportional to 10,808.02, 16,218.11 and 4,965.09 is: 7,450.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.02 : 16,218.11 = 4,965.09 : x
  2. Step 2: Convert to fraction form
    10,808.02/16,218.11 = 4,965.09/x
  3. Step 3: Cross multiply
    10,808.02x = 16,218.11 × 4,965.09
  4. Step 4: Simplify right side
    10,808.02x = 80,524,375.78
  5. Step 5: Solve for x
    x = 80,524,375.78/10,808.02
  6. Step 6: Final answer
    x = 7,450.43

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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.