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Finding the Fourth Proportional to 31,696.92, 43,741.62 and 17,356.82

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Solution

The fourth proportional to 31,696.92, 43,741.62 and 17,356.82 is: 23,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.92 : 43,741.62 = 17,356.82 : x
  2. Step 2: Convert to fraction form
    31,696.92/43,741.62 = 17,356.82/x
  3. Step 3: Cross multiply
    31,696.92x = 43,741.62 × 17,356.82
  4. Step 4: Simplify right side
    31,696.92x = 759,215,206.14
  5. Step 5: Solve for x
    x = 759,215,206.14/31,696.92
  6. Step 6: Final answer
    x = 23,952.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.