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Finding the Fourth Proportional to 8,668.27, 13,004.45 and 2,824.88

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Solution

The fourth proportional to 8,668.27, 13,004.45 and 2,824.88 is: 4,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.27 : 13,004.45 = 2,824.88 : x
  2. Step 2: Convert to fraction form
    8,668.27/13,004.45 = 2,824.88/x
  3. Step 3: Cross multiply
    8,668.27x = 13,004.45 × 2,824.88
  4. Step 4: Simplify right side
    8,668.27x = 36,735,942.16
  5. Step 5: Solve for x
    x = 36,735,942.16/8,668.27
  6. Step 6: Final answer
    x = 4,237.98

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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.