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Finding the Fourth Proportional to 36,093.31, 54,119.19 and 13,903.80

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Solution

The fourth proportional to 36,093.31, 54,119.19 and 13,903.80 is: 20,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,093.31 : 54,119.19 = 13,903.80 : x
  2. Step 2: Convert to fraction form
    36,093.31/54,119.19 = 13,903.80/x
  3. Step 3: Cross multiply
    36,093.31x = 54,119.19 × 13,903.80
  4. Step 4: Simplify right side
    36,093.31x = 752,462,469.33
  5. Step 5: Solve for x
    x = 752,462,469.33/36,093.31
  6. Step 6: Final answer
    x = 20,847.70

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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.