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Finding the Fourth Proportional to 6,651.84, 9,175.48 and 3,961.27

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Solution

The fourth proportional to 6,651.84, 9,175.48 and 3,961.27 is: 5,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.84 : 9,175.48 = 3,961.27 : x
  2. Step 2: Convert to fraction form
    6,651.84/9,175.48 = 3,961.27/x
  3. Step 3: Cross multiply
    6,651.84x = 9,175.48 × 3,961.27
  4. Step 4: Simplify right side
    6,651.84x = 36,346,555.23
  5. Step 5: Solve for x
    x = 36,346,555.23/6,651.84
  6. Step 6: Final answer
    x = 5,464.14

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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.