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Finding the Fourth Proportional to 17,794.62, 26,701.02 and 7,940.34

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Solution

The fourth proportional to 17,794.62, 26,701.02 and 7,940.34 is: 11,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,794.62 : 26,701.02 = 7,940.34 : x
  2. Step 2: Convert to fraction form
    17,794.62/26,701.02 = 7,940.34/x
  3. Step 3: Cross multiply
    17,794.62x = 26,701.02 × 7,940.34
  4. Step 4: Simplify right side
    17,794.62x = 212,015,177.15
  5. Step 5: Solve for x
    x = 212,015,177.15/17,794.62
  6. Step 6: Final answer
    x = 11,914.57

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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.