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Finding the Fourth Proportional to 23,321.70, 34,982.55 and 16,809.30

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Solution

The fourth proportional to 23,321.70, 34,982.55 and 16,809.30 is: 25,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,321.70 : 34,982.55 = 16,809.30 : x
  2. Step 2: Convert to fraction form
    23,321.70/34,982.55 = 16,809.30/x
  3. Step 3: Cross multiply
    23,321.70x = 34,982.55 × 16,809.30
  4. Step 4: Simplify right side
    23,321.70x = 588,032,177.72
  5. Step 5: Solve for x
    x = 588,032,177.72/23,321.70
  6. Step 6: Final answer
    x = 25,213.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.