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Finding the Fourth Proportional to 31,392.44, 43,321.44 and 17,052.20

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Solution

The fourth proportional to 31,392.44, 43,321.44 and 17,052.20 is: 23,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392.44 : 43,321.44 = 17,052.20 : x
  2. Step 2: Convert to fraction form
    31,392.44/43,321.44 = 17,052.20/x
  3. Step 3: Cross multiply
    31,392.44x = 43,321.44 × 17,052.20
  4. Step 4: Simplify right side
    31,392.44x = 738,725,859.17
  5. Step 5: Solve for x
    x = 738,725,859.17/31,392.44
  6. Step 6: Final answer
    x = 23,531.97

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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.