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Finding the Fourth Proportional to 17,231.55, 25,843.88 and 4,748.37

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Solution

The fourth proportional to 17,231.55, 25,843.88 and 4,748.37 is: 7,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,231.55 : 25,843.88 = 4,748.37 : x
  2. Step 2: Convert to fraction form
    17,231.55/25,843.88 = 4,748.37/x
  3. Step 3: Cross multiply
    17,231.55x = 25,843.88 × 4,748.37
  4. Step 4: Simplify right side
    17,231.55x = 122,716,280.73
  5. Step 5: Solve for x
    x = 122,716,280.73/17,231.55
  6. Step 6: Final answer
    x = 7,121.60

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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.