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Finding the Fourth Proportional to 6,324.88, 8,728.68 and 3,530.32

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Solution

The fourth proportional to 6,324.88, 8,728.68 and 3,530.32 is: 4,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.88 : 8,728.68 = 3,530.32 : x
  2. Step 2: Convert to fraction form
    6,324.88/8,728.68 = 3,530.32/x
  3. Step 3: Cross multiply
    6,324.88x = 8,728.68 × 3,530.32
  4. Step 4: Simplify right side
    6,324.88x = 30,815,033.58
  5. Step 5: Solve for x
    x = 30,815,033.58/6,324.88
  6. Step 6: Final answer
    x = 4,872.03

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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.