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Finding the Fourth Proportional to 17,793.78, 26,825.70 and 16,841.22

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Solution

The fourth proportional to 17,793.78, 26,825.70 and 16,841.22 is: 25,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.78 : 26,825.70 = 16,841.22 : x
  2. Step 2: Convert to fraction form
    17,793.78/26,825.70 = 16,841.22/x
  3. Step 3: Cross multiply
    17,793.78x = 26,825.70 × 16,841.22
  4. Step 4: Simplify right side
    17,793.78x = 451,777,515.35
  5. Step 5: Solve for x
    x = 451,777,515.35/17,793.78
  6. Step 6: Final answer
    x = 25,389.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.