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Finding the Fourth Proportional to 6,961.09, 9,606.92 and 3,817.89

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Solution

The fourth proportional to 6,961.09, 9,606.92 and 3,817.89 is: 5,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.09 : 9,606.92 = 3,817.89 : x
  2. Step 2: Convert to fraction form
    6,961.09/9,606.92 = 3,817.89/x
  3. Step 3: Cross multiply
    6,961.09x = 9,606.92 × 3,817.89
  4. Step 4: Simplify right side
    6,961.09x = 36,678,163.80
  5. Step 5: Solve for x
    x = 36,678,163.80/6,961.09
  6. Step 6: Final answer
    x = 5,269.03

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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.