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Finding the Fourth Proportional to 6,933.92, 9,568.95 and 3,790.31

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Solution

The fourth proportional to 6,933.92, 9,568.95 and 3,790.31 is: 5,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,933.92 : 9,568.95 = 3,790.31 : x
  2. Step 2: Convert to fraction form
    6,933.92/9,568.95 = 3,790.31/x
  3. Step 3: Cross multiply
    6,933.92x = 9,568.95 × 3,790.31
  4. Step 4: Simplify right side
    6,933.92x = 36,269,286.87
  5. Step 5: Solve for x
    x = 36,269,286.87/6,933.92
  6. Step 6: Final answer
    x = 5,230.70

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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.