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Finding the Fourth Proportional to 17,940.62, 27,079.44 and 17,940.62

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Solution

The fourth proportional to 17,940.62, 27,079.44 and 17,940.62 is: 27,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.62 : 27,079.44 = 17,940.62 : x
  2. Step 2: Convert to fraction form
    17,940.62/27,079.44 = 17,940.62/x
  3. Step 3: Cross multiply
    17,940.62x = 27,079.44 × 17,940.62
  4. Step 4: Simplify right side
    17,940.62x = 485,821,942.85
  5. Step 5: Solve for x
    x = 485,821,942.85/17,940.62
  6. Step 6: Final answer
    x = 27,079.44

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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.