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Finding the Fourth Proportional to 36,659.64, 54,998.64 and 20,015.22

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Solution

The fourth proportional to 36,659.64, 54,998.64 and 20,015.22 is: 30,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,659.64 : 54,998.64 = 20,015.22 : x
  2. Step 2: Convert to fraction form
    36,659.64/54,998.64 = 20,015.22/x
  3. Step 3: Cross multiply
    36,659.64x = 54,998.64 × 20,015.22
  4. Step 4: Simplify right side
    36,659.64x = 1,100,809,879.30
  5. Step 5: Solve for x
    x = 1,100,809,879.30/36,659.64
  6. Step 6: Final answer
    x = 30,027.84

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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.