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Finding the Fourth Proportional to 6,482.27, 8,945.29 and 3,963.44

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Solution

The fourth proportional to 6,482.27, 8,945.29 and 3,963.44 is: 5,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.27 : 8,945.29 = 3,963.44 : x
  2. Step 2: Convert to fraction form
    6,482.27/8,945.29 = 3,963.44/x
  3. Step 3: Cross multiply
    6,482.27x = 8,945.29 × 3,963.44
  4. Step 4: Simplify right side
    6,482.27x = 35,454,120.20
  5. Step 5: Solve for x
    x = 35,454,120.20/6,482.27
  6. Step 6: Final answer
    x = 5,469.40

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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.