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Finding the Fourth Proportional to 8,382.02, 11,568.11 and 4,797.31

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Solution

The fourth proportional to 8,382.02, 11,568.11 and 4,797.31 is: 6,620.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.02 : 11,568.11 = 4,797.31 : x
  2. Step 2: Convert to fraction form
    8,382.02/11,568.11 = 4,797.31/x
  3. Step 3: Cross multiply
    8,382.02x = 11,568.11 × 4,797.31
  4. Step 4: Simplify right side
    8,382.02x = 55,495,727.96
  5. Step 5: Solve for x
    x = 55,495,727.96/8,382.02
  6. Step 6: Final answer
    x = 6,620.81

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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.