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Finding the Fourth Proportional to 26,696.88, 36,843.42 and 15,367.74

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Solution

The fourth proportional to 26,696.88, 36,843.42 and 15,367.74 is: 21,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,696.88 : 36,843.42 = 15,367.74 : x
  2. Step 2: Convert to fraction form
    26,696.88/36,843.42 = 15,367.74/x
  3. Step 3: Cross multiply
    26,696.88x = 36,843.42 × 15,367.74
  4. Step 4: Simplify right side
    26,696.88x = 566,200,099.27
  5. Step 5: Solve for x
    x = 566,200,099.27/26,696.88
  6. Step 6: Final answer
    x = 21,208.47

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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.