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Finding the Fourth Proportional to 17,092.13, 25,630.64 and 7,731.77

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Solution

The fourth proportional to 17,092.13, 25,630.64 and 7,731.77 is: 11,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,092.13 : 25,630.64 = 7,731.77 : x
  2. Step 2: Convert to fraction form
    17,092.13/25,630.64 = 7,731.77/x
  3. Step 3: Cross multiply
    17,092.13x = 25,630.64 × 7,731.77
  4. Step 4: Simplify right side
    17,092.13x = 198,170,046.62
  5. Step 5: Solve for x
    x = 198,170,046.62/17,092.13
  6. Step 6: Final answer
    x = 11,594.23

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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.