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Finding the Fourth Proportional to 26,600.70, 39,843.45 and 21,992.70

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Solution

The fourth proportional to 26,600.70, 39,843.45 and 21,992.70 is: 32,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,600.70 : 39,843.45 = 21,992.70 : x
  2. Step 2: Convert to fraction form
    26,600.70/39,843.45 = 21,992.70/x
  3. Step 3: Cross multiply
    26,600.70x = 39,843.45 × 21,992.70
  4. Step 4: Simplify right side
    26,600.70x = 876,265,042.82
  5. Step 5: Solve for x
    x = 876,265,042.82/26,600.70
  6. Step 6: Final answer
    x = 32,941.43

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1.5x scale

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.