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Finding the Fourth Proportional to 26,893.69, 37,129.89 and 17,336.97

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Solution

The fourth proportional to 26,893.69, 37,129.89 and 17,336.97 is: 23,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,893.69 : 37,129.89 = 17,336.97 : x
  2. Step 2: Convert to fraction form
    26,893.69/37,129.89 = 17,336.97/x
  3. Step 3: Cross multiply
    26,893.69x = 37,129.89 × 17,336.97
  4. Step 4: Simplify right side
    26,893.69x = 643,719,789.03
  5. Step 5: Solve for x
    x = 643,719,789.03/26,893.69
  6. Step 6: Final answer
    x = 23,935.72

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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.