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Finding the Fourth Proportional to 29,224.80, 43,837.20 and 18,843.84

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Solution

The fourth proportional to 29,224.80, 43,837.20 and 18,843.84 is: 28,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,224.80 : 43,837.20 = 18,843.84 : x
  2. Step 2: Convert to fraction form
    29,224.80/43,837.20 = 18,843.84/x
  3. Step 3: Cross multiply
    29,224.80x = 43,837.20 × 18,843.84
  4. Step 4: Simplify right side
    29,224.80x = 826,061,182.85
  5. Step 5: Solve for x
    x = 826,061,182.85/29,224.80
  6. Step 6: Final answer
    x = 28,265.76

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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.