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Finding the Fourth Proportional to 5,642.82, 7,786.08 and 3,252.24

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Solution

The fourth proportional to 5,642.82, 7,786.08 and 3,252.24 is: 4,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.82 : 7,786.08 = 3,252.24 : x
  2. Step 2: Convert to fraction form
    5,642.82/7,786.08 = 3,252.24/x
  3. Step 3: Cross multiply
    5,642.82x = 7,786.08 × 3,252.24
  4. Step 4: Simplify right side
    5,642.82x = 25,322,200.82
  5. Step 5: Solve for x
    x = 25,322,200.82/5,642.82
  6. Step 6: Final answer
    x = 4,487.51

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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.