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Finding the Fourth Proportional to 31,497.44, 43,422.90 and 22,529.30

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Solution

The fourth proportional to 31,497.44, 43,422.90 and 22,529.30 is: 31,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,497.44 : 43,422.90 = 22,529.30 : x
  2. Step 2: Convert to fraction form
    31,497.44/43,422.90 = 22,529.30/x
  3. Step 3: Cross multiply
    31,497.44x = 43,422.90 × 22,529.30
  4. Step 4: Simplify right side
    31,497.44x = 978,287,540.97
  5. Step 5: Solve for x
    x = 978,287,540.97/31,497.44
  6. Step 6: Final answer
    x = 31,059.27

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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.