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Finding the Fourth Proportional to 69,451.96, 95,843.82 and 37,621.12

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Solution

The fourth proportional to 69,451.96, 95,843.82 and 37,621.12 is: 51,917.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,451.96 : 95,843.82 = 37,621.12 : x
  2. Step 2: Convert to fraction form
    69,451.96/95,843.82 = 37,621.12/x
  3. Step 3: Cross multiply
    69,451.96x = 95,843.82 × 37,621.12
  4. Step 4: Simplify right side
    69,451.96x = 3,605,751,853.48
  5. Step 5: Solve for x
    x = 3,605,751,853.48/69,451.96
  6. Step 6: Final answer
    x = 51,917.21

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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.