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Finding the Fourth Proportional to 17,486.78, 26,207.49 and 7,092.86

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Solution

The fourth proportional to 17,486.78, 26,207.49 and 7,092.86 is: 10,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,486.78 : 26,207.49 = 7,092.86 : x
  2. Step 2: Convert to fraction form
    17,486.78/26,207.49 = 7,092.86/x
  3. Step 3: Cross multiply
    17,486.78x = 26,207.49 × 7,092.86
  4. Step 4: Simplify right side
    17,486.78x = 185,886,057.52
  5. Step 5: Solve for x
    x = 185,886,057.52/17,486.78
  6. Step 6: Final answer
    x = 10,630.09

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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.