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Finding the Fourth Proportional to 36,379, 50,195.46 and 21,268.70

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Solution

The fourth proportional to 36,379, 50,195.46 and 21,268.70 is: 29,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379 : 50,195.46 = 21,268.70 : x
  2. Step 2: Convert to fraction form
    36,379/50,195.46 = 21,268.70/x
  3. Step 3: Cross multiply
    36,379x = 50,195.46 × 21,268.70
  4. Step 4: Simplify right side
    36,379x = 1,067,592,180.10
  5. Step 5: Solve for x
    x = 1,067,592,180.10/36,379
  6. Step 6: Final answer
    x = 29,346.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.