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Finding the Fourth Proportional to 58,611.44, 80,847.24 and 38,469.44

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Solution

The fourth proportional to 58,611.44, 80,847.24 and 38,469.44 is: 53,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.44 : 80,847.24 = 38,469.44 : x
  2. Step 2: Convert to fraction form
    58,611.44/80,847.24 = 38,469.44/x
  3. Step 3: Cross multiply
    58,611.44x = 80,847.24 × 38,469.44
  4. Step 4: Simplify right side
    58,611.44x = 3,110,148,048.35
  5. Step 5: Solve for x
    x = 3,110,148,048.35/58,611.44
  6. Step 6: Final answer
    x = 53,063.84

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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.