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Finding the Fourth Proportional to 17,195.55, 25,793.33 and 8,447.55

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Solution

The fourth proportional to 17,195.55, 25,793.33 and 8,447.55 is: 12,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.55 : 25,793.33 = 8,447.55 : x
  2. Step 2: Convert to fraction form
    17,195.55/25,793.33 = 8,447.55/x
  3. Step 3: Cross multiply
    17,195.55x = 25,793.33 × 8,447.55
  4. Step 4: Simplify right side
    17,195.55x = 217,890,402.60
  5. Step 5: Solve for x
    x = 217,890,402.60/17,195.55
  6. Step 6: Final answer
    x = 12,671.33

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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.