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Finding the Fourth Proportional to 2,668.44, 4,007.16 and 2,229.24

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Solution

The fourth proportional to 2,668.44, 4,007.16 and 2,229.24 is: 3,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.44 : 4,007.16 = 2,229.24 : x
  2. Step 2: Convert to fraction form
    2,668.44/4,007.16 = 2,229.24/x
  3. Step 3: Cross multiply
    2,668.44x = 4,007.16 × 2,229.24
  4. Step 4: Simplify right side
    2,668.44x = 8,932,921.36
  5. Step 5: Solve for x
    x = 8,932,921.36/2,668.44
  6. Step 6: Final answer
    x = 3,347.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.