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Finding the Fourth Proportional to 18,160.62, 27,249.01 and 9,271.24

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Solution

The fourth proportional to 18,160.62, 27,249.01 and 9,271.24 is: 13,910.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.62 : 27,249.01 = 9,271.24 : x
  2. Step 2: Convert to fraction form
    18,160.62/27,249.01 = 9,271.24/x
  3. Step 3: Cross multiply
    18,160.62x = 27,249.01 × 9,271.24
  4. Step 4: Simplify right side
    18,160.62x = 252,632,173.45
  5. Step 5: Solve for x
    x = 252,632,173.45/18,160.62
  6. Step 6: Final answer
    x = 13,910.99

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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.