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Finding the Fourth Proportional to 104,474.72, 156,711 and 25,589.36

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Solution

The fourth proportional to 104,474.72, 156,711 and 25,589.36 is: 38,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,474.72 : 156,711 = 25,589.36 : x
  2. Step 2: Convert to fraction form
    104,474.72/156,711 = 25,589.36/x
  3. Step 3: Cross multiply
    104,474.72x = 156,711 × 25,589.36
  4. Step 4: Simplify right side
    104,474.72x = 4,010,134,194.96
  5. Step 5: Solve for x
    x = 4,010,134,194.96/104,474.72
  6. Step 6: Final answer
    x = 38,383.78

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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.