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Finding the Fourth Proportional to 17,960.50, 26,940.12 and 5,480.02

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Solution

The fourth proportional to 17,960.50, 26,940.12 and 5,480.02 is: 8,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.50 : 26,940.12 = 5,480.02 : x
  2. Step 2: Convert to fraction form
    17,960.50/26,940.12 = 5,480.02/x
  3. Step 3: Cross multiply
    17,960.50x = 26,940.12 × 5,480.02
  4. Step 4: Simplify right side
    17,960.50x = 147,632,396.40
  5. Step 5: Solve for x
    x = 147,632,396.40/17,960.50
  6. Step 6: Final answer
    x = 8,219.84

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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.