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Finding the Fourth Proportional to 6,609.73, 9,896.23 and 5,286.73

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Solution

The fourth proportional to 6,609.73, 9,896.23 and 5,286.73 is: 7,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.73 : 9,896.23 = 5,286.73 : x
  2. Step 2: Convert to fraction form
    6,609.73/9,896.23 = 5,286.73/x
  3. Step 3: Cross multiply
    6,609.73x = 9,896.23 × 5,286.73
  4. Step 4: Simplify right side
    6,609.73x = 52,318,696.03
  5. Step 5: Solve for x
    x = 52,318,696.03/6,609.73
  6. Step 6: Final answer
    x = 7,915.41

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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.