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Finding the Fourth Proportional to 18,323.55, 27,449.96 and 10,933.92

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Solution

The fourth proportional to 18,323.55, 27,449.96 and 10,933.92 is: 16,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.55 : 27,449.96 = 10,933.92 : x
  2. Step 2: Convert to fraction form
    18,323.55/27,449.96 = 10,933.92/x
  3. Step 3: Cross multiply
    18,323.55x = 27,449.96 × 10,933.92
  4. Step 4: Simplify right side
    18,323.55x = 300,135,611.97
  5. Step 5: Solve for x
    x = 300,135,611.97/18,323.55
  6. Step 6: Final answer
    x = 16,379.77

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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.