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Finding the Fourth Proportional to 69,351.72, 95,705.60 and 37,520.88

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Solution

The fourth proportional to 69,351.72, 95,705.60 and 37,520.88 is: 51,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,351.72 : 95,705.60 = 37,520.88 : x
  2. Step 2: Convert to fraction form
    69,351.72/95,705.60 = 37,520.88/x
  3. Step 3: Cross multiply
    69,351.72x = 95,705.60 × 37,520.88
  4. Step 4: Simplify right side
    69,351.72x = 3,590,958,145.32
  5. Step 5: Solve for x
    x = 3,590,958,145.32/69,351.72
  6. Step 6: Final answer
    x = 51,778.93

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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.