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Finding the Fourth Proportional to 17,396.49, 26,092.40 and 4,917.49

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Solution

The fourth proportional to 17,396.49, 26,092.40 and 4,917.49 is: 7,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,396.49 : 26,092.40 = 4,917.49 : x
  2. Step 2: Convert to fraction form
    17,396.49/26,092.40 = 4,917.49/x
  3. Step 3: Cross multiply
    17,396.49x = 26,092.40 × 4,917.49
  4. Step 4: Simplify right side
    17,396.49x = 128,309,173.03
  5. Step 5: Solve for x
    x = 128,309,173.03/17,396.49
  6. Step 6: Final answer
    x = 7,375.58

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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.