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Finding the Fourth Proportional to 36,975, 55,471.26 and 12,015.12

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Solution

The fourth proportional to 36,975, 55,471.26 and 12,015.12 is: 18,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,975 : 55,471.26 = 12,015.12 : x
  2. Step 2: Convert to fraction form
    36,975/55,471.26 = 12,015.12/x
  3. Step 3: Cross multiply
    36,975x = 55,471.26 × 12,015.12
  4. Step 4: Simplify right side
    36,975x = 666,493,845.45
  5. Step 5: Solve for x
    x = 666,493,845.45/36,975
  6. Step 6: Final answer
    x = 18,025.53

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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.