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Finding the Fourth Proportional to 17,968.52, 26,951.88 and 6,880.52

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Solution

The fourth proportional to 17,968.52, 26,951.88 and 6,880.52 is: 10,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.52 : 26,951.88 = 6,880.52 : x
  2. Step 2: Convert to fraction form
    17,968.52/26,951.88 = 6,880.52/x
  3. Step 3: Cross multiply
    17,968.52x = 26,951.88 × 6,880.52
  4. Step 4: Simplify right side
    17,968.52x = 185,442,949.38
  5. Step 5: Solve for x
    x = 185,442,949.38/17,968.52
  6. Step 6: Final answer
    x = 10,320.44

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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.