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Finding the Fourth Proportional to 7,933.54, 11,911.97 and 7,793.56

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Solution

The fourth proportional to 7,933.54, 11,911.97 and 7,793.56 is: 11,701.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.54 : 11,911.97 = 7,793.56 : x
  2. Step 2: Convert to fraction form
    7,933.54/11,911.97 = 7,793.56/x
  3. Step 3: Cross multiply
    7,933.54x = 11,911.97 × 7,793.56
  4. Step 4: Simplify right side
    7,933.54x = 92,836,652.91
  5. Step 5: Solve for x
    x = 92,836,652.91/7,933.54
  6. Step 6: Final answer
    x = 11,701.79

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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.