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Finding the Fourth Proportional to 6,668.62, 9,203.18 and 4,015.97

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Solution

The fourth proportional to 6,668.62, 9,203.18 and 4,015.97 is: 5,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.62 : 9,203.18 = 4,015.97 : x
  2. Step 2: Convert to fraction form
    6,668.62/9,203.18 = 4,015.97/x
  3. Step 3: Cross multiply
    6,668.62x = 9,203.18 × 4,015.97
  4. Step 4: Simplify right side
    6,668.62x = 36,959,694.78
  5. Step 5: Solve for x
    x = 36,959,694.78/6,668.62
  6. Step 6: Final answer
    x = 5,542.33

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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.