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Finding the Fourth Proportional to 11,204.57, 16,770.93 and 7,447.73

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Solution

The fourth proportional to 11,204.57, 16,770.93 and 7,447.73 is: 11,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.57 : 16,770.93 = 7,447.73 : x
  2. Step 2: Convert to fraction form
    11,204.57/16,770.93 = 7,447.73/x
  3. Step 3: Cross multiply
    11,204.57x = 16,770.93 × 7,447.73
  4. Step 4: Simplify right side
    11,204.57x = 124,905,274.63
  5. Step 5: Solve for x
    x = 124,905,274.63/11,204.57
  6. Step 6: Final answer
    x = 11,147.71

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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.