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Finding the Fourth Proportional to 18,033.30, 27,050.22 and 6,940.62

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Solution

The fourth proportional to 18,033.30, 27,050.22 and 6,940.62 is: 10,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033.30 : 27,050.22 = 6,940.62 : x
  2. Step 2: Convert to fraction form
    18,033.30/27,050.22 = 6,940.62/x
  3. Step 3: Cross multiply
    18,033.30x = 27,050.22 × 6,940.62
  4. Step 4: Simplify right side
    18,033.30x = 187,745,297.94
  5. Step 5: Solve for x
    x = 187,745,297.94/18,033.30
  6. Step 6: Final answer
    x = 10,411.03

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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.