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Finding the Fourth Proportional to 11,287.94, 16,926.22 and 6,609.36

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Solution

The fourth proportional to 11,287.94, 16,926.22 and 6,609.36 is: 9,910.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.94 : 16,926.22 = 6,609.36 : x
  2. Step 2: Convert to fraction form
    11,287.94/16,926.22 = 6,609.36/x
  3. Step 3: Cross multiply
    11,287.94x = 16,926.22 × 6,609.36
  4. Step 4: Simplify right side
    11,287.94x = 111,871,481.42
  5. Step 5: Solve for x
    x = 111,871,481.42/11,287.94
  6. Step 6: Final answer
    x = 9,910.71

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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.