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Finding the Fourth Proportional to 22,668.72, 33,990 and 8,801.52

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Solution

The fourth proportional to 22,668.72, 33,990 and 8,801.52 is: 13,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.72 : 33,990 = 8,801.52 : x
  2. Step 2: Convert to fraction form
    22,668.72/33,990 = 8,801.52/x
  3. Step 3: Cross multiply
    22,668.72x = 33,990 × 8,801.52
  4. Step 4: Simplify right side
    22,668.72x = 299,163,664.80
  5. Step 5: Solve for x
    x = 299,163,664.80/22,668.72
  6. Step 6: Final answer
    x = 13,197.20

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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.