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Finding the Fourth Proportional to 4,906.66, 6,771.14 and 2,668.56

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Solution

The fourth proportional to 4,906.66, 6,771.14 and 2,668.56 is: 3,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.66 : 6,771.14 = 2,668.56 : x
  2. Step 2: Convert to fraction form
    4,906.66/6,771.14 = 2,668.56/x
  3. Step 3: Cross multiply
    4,906.66x = 6,771.14 × 2,668.56
  4. Step 4: Simplify right side
    4,906.66x = 18,069,193.36
  5. Step 5: Solve for x
    x = 18,069,193.36/4,906.66
  6. Step 6: Final answer
    x = 3,682.59

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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.