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Finding the Fourth Proportional to 18,132.92, 27,206.96 and 7,604.92

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Solution

The fourth proportional to 18,132.92, 27,206.96 and 7,604.92 is: 11,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.92 : 27,206.96 = 7,604.92 : x
  2. Step 2: Convert to fraction form
    18,132.92/27,206.96 = 7,604.92/x
  3. Step 3: Cross multiply
    18,132.92x = 27,206.96 × 7,604.92
  4. Step 4: Simplify right side
    18,132.92x = 206,906,754.24
  5. Step 5: Solve for x
    x = 206,906,754.24/18,132.92
  6. Step 6: Final answer
    x = 11,410.56

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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.