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Finding the Fourth Proportional to 6,668.44, 10,008.82 and 3,383.84

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Solution

The fourth proportional to 6,668.44, 10,008.82 and 3,383.84 is: 5,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.44 : 10,008.82 = 3,383.84 : x
  2. Step 2: Convert to fraction form
    6,668.44/10,008.82 = 3,383.84/x
  3. Step 3: Cross multiply
    6,668.44x = 10,008.82 × 3,383.84
  4. Step 4: Simplify right side
    6,668.44x = 33,868,245.47
  5. Step 5: Solve for x
    x = 33,868,245.47/6,668.44
  6. Step 6: Final answer
    x = 5,078.89

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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.