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Finding the Fourth Proportional to 3,668.70, 5,493.33 and 2,205.84

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Solution

The fourth proportional to 3,668.70, 5,493.33 and 2,205.84 is: 3,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.70 : 5,493.33 = 2,205.84 : x
  2. Step 2: Convert to fraction form
    3,668.70/5,493.33 = 2,205.84/x
  3. Step 3: Cross multiply
    3,668.70x = 5,493.33 × 2,205.84
  4. Step 4: Simplify right side
    3,668.70x = 12,117,407.05
  5. Step 5: Solve for x
    x = 12,117,407.05/3,668.70
  6. Step 6: Final answer
    x = 3,302.92

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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.