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Finding the Fourth Proportional to 17,183.80, 25,743.30 and 8,835.40

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Solution

The fourth proportional to 17,183.80, 25,743.30 and 8,835.40 is: 13,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,183.80 : 25,743.30 = 8,835.40 : x
  2. Step 2: Convert to fraction form
    17,183.80/25,743.30 = 8,835.40/x
  3. Step 3: Cross multiply
    17,183.80x = 25,743.30 × 8,835.40
  4. Step 4: Simplify right side
    17,183.80x = 227,452,352.82
  5. Step 5: Solve for x
    x = 227,452,352.82/17,183.80
  6. Step 6: Final answer
    x = 13,236.44

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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.