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Finding the Fourth Proportional to 36,305.30, 50,092.50 and 21,189.32

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Solution

The fourth proportional to 36,305.30, 50,092.50 and 21,189.32 is: 29,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,305.30 : 50,092.50 = 21,189.32 : x
  2. Step 2: Convert to fraction form
    36,305.30/50,092.50 = 21,189.32/x
  3. Step 3: Cross multiply
    36,305.30x = 50,092.50 × 21,189.32
  4. Step 4: Simplify right side
    36,305.30x = 1,061,425,761.64
  5. Step 5: Solve for x
    x = 1,061,425,761.64/36,305.30
  6. Step 6: Final answer
    x = 29,236.11

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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.