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Finding the Fourth Proportional to 17,023.89, 25,536.03 and 5,179.59

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Solution

The fourth proportional to 17,023.89, 25,536.03 and 5,179.59 is: 7,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,023.89 : 25,536.03 = 5,179.59 : x
  2. Step 2: Convert to fraction form
    17,023.89/25,536.03 = 5,179.59/x
  3. Step 3: Cross multiply
    17,023.89x = 25,536.03 × 5,179.59
  4. Step 4: Simplify right side
    17,023.89x = 132,266,146.20
  5. Step 5: Solve for x
    x = 132,266,146.20/17,023.89
  6. Step 6: Final answer
    x = 7,769.44

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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.