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Finding the Fourth Proportional to 17,081.70, 25,622.55 and 8,333.70

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Solution

The fourth proportional to 17,081.70, 25,622.55 and 8,333.70 is: 12,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,081.70 : 25,622.55 = 8,333.70 : x
  2. Step 2: Convert to fraction form
    17,081.70/25,622.55 = 8,333.70/x
  3. Step 3: Cross multiply
    17,081.70x = 25,622.55 × 8,333.70
  4. Step 4: Simplify right side
    17,081.70x = 213,530,644.94
  5. Step 5: Solve for x
    x = 213,530,644.94/17,081.70
  6. Step 6: Final answer
    x = 12,500.55

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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.