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Finding the Fourth Proportional to 6,783.27, 9,359.11 and 4,393.97

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Solution

The fourth proportional to 6,783.27, 9,359.11 and 4,393.97 is: 6,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.27 : 9,359.11 = 4,393.97 : x
  2. Step 2: Convert to fraction form
    6,783.27/9,359.11 = 4,393.97/x
  3. Step 3: Cross multiply
    6,783.27x = 9,359.11 × 4,393.97
  4. Step 4: Simplify right side
    6,783.27x = 41,123,650.15
  5. Step 5: Solve for x
    x = 41,123,650.15/6,783.27
  6. Step 6: Final answer
    x = 6,062.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.