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Finding the Fourth Proportional to 6,933.88, 9,568.94 and 3,790.28

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Solution

The fourth proportional to 6,933.88, 9,568.94 and 3,790.28 is: 5,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,933.88 : 9,568.94 = 3,790.28 : x
  2. Step 2: Convert to fraction form
    6,933.88/9,568.94 = 3,790.28/x
  3. Step 3: Cross multiply
    6,933.88x = 9,568.94 × 3,790.28
  4. Step 4: Simplify right side
    6,933.88x = 36,268,961.90
  5. Step 5: Solve for x
    x = 36,268,961.90/6,933.88
  6. Step 6: Final answer
    x = 5,230.69

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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.