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Finding the Fourth Proportional to 11,797.19, 17,691.98 and 3,897.91

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Solution

The fourth proportional to 11,797.19, 17,691.98 and 3,897.91 is: 5,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,797.19 : 17,691.98 = 3,897.91 : x
  2. Step 2: Convert to fraction form
    11,797.19/17,691.98 = 3,897.91/x
  3. Step 3: Cross multiply
    11,797.19x = 17,691.98 × 3,897.91
  4. Step 4: Simplify right side
    11,797.19x = 68,961,745.76
  5. Step 5: Solve for x
    x = 68,961,745.76/11,797.19
  6. Step 6: Final answer
    x = 5,845.61

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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.