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Finding the Fourth Proportional to 6,793.86, 9,371.21 and 4,908.21

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Solution

The fourth proportional to 6,793.86, 9,371.21 and 4,908.21 is: 6,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.86 : 9,371.21 = 4,908.21 : x
  2. Step 2: Convert to fraction form
    6,793.86/9,371.21 = 4,908.21/x
  3. Step 3: Cross multiply
    6,793.86x = 9,371.21 × 4,908.21
  4. Step 4: Simplify right side
    6,793.86x = 45,995,866.63
  5. Step 5: Solve for x
    x = 45,995,866.63/6,793.86
  6. Step 6: Final answer
    x = 6,770.21

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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.