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Finding the Fourth Proportional to 4,786.82, 6,605.38 and 2,662.26

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Solution

The fourth proportional to 4,786.82, 6,605.38 and 2,662.26 is: 3,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.82 : 6,605.38 = 2,662.26 : x
  2. Step 2: Convert to fraction form
    4,786.82/6,605.38 = 2,662.26/x
  3. Step 3: Cross multiply
    4,786.82x = 6,605.38 × 2,662.26
  4. Step 4: Simplify right side
    4,786.82x = 17,585,238.96
  5. Step 5: Solve for x
    x = 17,585,238.96/4,786.82
  6. Step 6: Final answer
    x = 3,673.68

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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.