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Finding the Fourth Proportional to 19,339.88, 29,022.78 and 7,027.88

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Solution

The fourth proportional to 19,339.88, 29,022.78 and 7,027.88 is: 10,546.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.88 : 29,022.78 = 7,027.88 : x
  2. Step 2: Convert to fraction form
    19,339.88/29,022.78 = 7,027.88/x
  3. Step 3: Cross multiply
    19,339.88x = 29,022.78 × 7,027.88
  4. Step 4: Simplify right side
    19,339.88x = 203,968,469.99
  5. Step 5: Solve for x
    x = 203,968,469.99/19,339.88
  6. Step 6: Final answer
    x = 10,546.52

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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.