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Finding the Fourth Proportional to 17,791.92, 26,690.65 and 5,942.03

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Solution

The fourth proportional to 17,791.92, 26,690.65 and 5,942.03 is: 8,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,791.92 : 26,690.65 = 5,942.03 : x
  2. Step 2: Convert to fraction form
    17,791.92/26,690.65 = 5,942.03/x
  3. Step 3: Cross multiply
    17,791.92x = 26,690.65 × 5,942.03
  4. Step 4: Simplify right side
    17,791.92x = 158,596,494.71
  5. Step 5: Solve for x
    x = 158,596,494.71/17,791.92
  6. Step 6: Final answer
    x = 8,913.96

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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.