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Finding the Fourth Proportional to 33,791.76, 46,623.24 and 19,639.44

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Solution

The fourth proportional to 33,791.76, 46,623.24 and 19,639.44 is: 27,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,791.76 : 46,623.24 = 19,639.44 : x
  2. Step 2: Convert to fraction form
    33,791.76/46,623.24 = 19,639.44/x
  3. Step 3: Cross multiply
    33,791.76x = 46,623.24 × 19,639.44
  4. Step 4: Simplify right side
    33,791.76x = 915,654,324.59
  5. Step 5: Solve for x
    x = 915,654,324.59/33,791.76
  6. Step 6: Final answer
    x = 27,096.97

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1.5x scale

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.