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Finding the Fourth Proportional to 17,195.42, 25,796.92 and 5,509.82

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Solution

The fourth proportional to 17,195.42, 25,796.92 and 5,509.82 is: 8,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.42 : 25,796.92 = 5,509.82 : x
  2. Step 2: Convert to fraction form
    17,195.42/25,796.92 = 5,509.82/x
  3. Step 3: Cross multiply
    17,195.42x = 25,796.92 × 5,509.82
  4. Step 4: Simplify right side
    17,195.42x = 142,136,385.75
  5. Step 5: Solve for x
    x = 142,136,385.75/17,195.42
  6. Step 6: Final answer
    x = 8,265.94

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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.