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Finding the Fourth Proportional to 18,162.96, 27,243.90 and 5,016.12

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Solution

The fourth proportional to 18,162.96, 27,243.90 and 5,016.12 is: 7,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.96 : 27,243.90 = 5,016.12 : x
  2. Step 2: Convert to fraction form
    18,162.96/27,243.90 = 5,016.12/x
  3. Step 3: Cross multiply
    18,162.96x = 27,243.90 × 5,016.12
  4. Step 4: Simplify right side
    18,162.96x = 136,658,671.67
  5. Step 5: Solve for x
    x = 136,658,671.67/18,162.96
  6. Step 6: Final answer
    x = 7,524.03

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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.