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Finding the Fourth Proportional to 72,380.91, 108,585.87 and 24,997.73

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Solution

The fourth proportional to 72,380.91, 108,585.87 and 24,997.73 is: 37,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,380.91 : 108,585.87 = 24,997.73 : x
  2. Step 2: Convert to fraction form
    72,380.91/108,585.87 = 24,997.73/x
  3. Step 3: Cross multiply
    72,380.91x = 108,585.87 × 24,997.73
  4. Step 4: Simplify right side
    72,380.91x = 2,714,400,135.09
  5. Step 5: Solve for x
    x = 2,714,400,135.09/72,380.91
  6. Step 6: Final answer
    x = 37,501.60

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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.