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Finding the Fourth Proportional to 17,064.20, 25,610.70 and 8,306.60

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Solution

The fourth proportional to 17,064.20, 25,610.70 and 8,306.60 is: 12,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,064.20 : 25,610.70 = 8,306.60 : x
  2. Step 2: Convert to fraction form
    17,064.20/25,610.70 = 8,306.60/x
  3. Step 3: Cross multiply
    17,064.20x = 25,610.70 × 8,306.60
  4. Step 4: Simplify right side
    17,064.20x = 212,737,840.62
  5. Step 5: Solve for x
    x = 212,737,840.62/17,064.20
  6. Step 6: Final answer
    x = 12,466.91

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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.