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Finding the Fourth Proportional to 17,989.98, 26,968.64 and 6,296.82

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Solution

The fourth proportional to 17,989.98, 26,968.64 and 6,296.82 is: 9,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.98 : 26,968.64 = 6,296.82 : x
  2. Step 2: Convert to fraction form
    17,989.98/26,968.64 = 6,296.82/x
  3. Step 3: Cross multiply
    17,989.98x = 26,968.64 × 6,296.82
  4. Step 4: Simplify right side
    17,989.98x = 169,816,640.24
  5. Step 5: Solve for x
    x = 169,816,640.24/17,989.98
  6. Step 6: Final answer
    x = 9,439.51

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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.