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Finding the Fourth Proportional to 18,010.62, 27,015.12 and 5,530.14

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Solution

The fourth proportional to 18,010.62, 27,015.12 and 5,530.14 is: 8,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.62 : 27,015.12 = 5,530.14 : x
  2. Step 2: Convert to fraction form
    18,010.62/27,015.12 = 5,530.14/x
  3. Step 3: Cross multiply
    18,010.62x = 27,015.12 × 5,530.14
  4. Step 4: Simplify right side
    18,010.62x = 149,397,395.72
  5. Step 5: Solve for x
    x = 149,397,395.72/18,010.62
  6. Step 6: Final answer
    x = 8,294.96

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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.