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Finding the Fourth Proportional to 17,792.33, 26,696.79 and 7,930.58

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Solution

The fourth proportional to 17,792.33, 26,696.79 and 7,930.58 is: 11,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,792.33 : 26,696.79 = 7,930.58 : x
  2. Step 2: Convert to fraction form
    17,792.33/26,696.79 = 7,930.58/x
  3. Step 3: Cross multiply
    17,792.33x = 26,696.79 × 7,930.58
  4. Step 4: Simplify right side
    17,792.33x = 211,720,895.35
  5. Step 5: Solve for x
    x = 211,720,895.35/17,792.33
  6. Step 6: Final answer
    x = 11,899.56

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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.