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Finding the Fourth Proportional to 14,644.97, 21,967.44 and 5,879.88

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Solution

The fourth proportional to 14,644.97, 21,967.44 and 5,879.88 is: 8,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.97 : 21,967.44 = 5,879.88 : x
  2. Step 2: Convert to fraction form
    14,644.97/21,967.44 = 5,879.88/x
  3. Step 3: Cross multiply
    14,644.97x = 21,967.44 × 5,879.88
  4. Step 4: Simplify right side
    14,644.97x = 129,165,801.27
  5. Step 5: Solve for x
    x = 129,165,801.27/14,644.97
  6. Step 6: Final answer
    x = 8,819.81

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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.