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Finding the Fourth Proportional to 17,292.26, 25,946.49 and 8,522.39

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Solution

The fourth proportional to 17,292.26, 25,946.49 and 8,522.39 is: 12,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,292.26 : 25,946.49 = 8,522.39 : x
  2. Step 2: Convert to fraction form
    17,292.26/25,946.49 = 8,522.39/x
  3. Step 3: Cross multiply
    17,292.26x = 25,946.49 × 8,522.39
  4. Step 4: Simplify right side
    17,292.26x = 221,126,106.91
  5. Step 5: Solve for x
    x = 221,126,106.91/17,292.26
  6. Step 6: Final answer
    x = 12,787.58

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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.