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Finding the Fourth Proportional to 34,636.62, 51,963.57 and 13,859.58

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Solution

The fourth proportional to 34,636.62, 51,963.57 and 13,859.58 is: 20,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,636.62 : 51,963.57 = 13,859.58 : x
  2. Step 2: Convert to fraction form
    34,636.62/51,963.57 = 13,859.58/x
  3. Step 3: Cross multiply
    34,636.62x = 51,963.57 × 13,859.58
  4. Step 4: Simplify right side
    34,636.62x = 720,193,255.50
  5. Step 5: Solve for x
    x = 720,193,255.50/34,636.62
  6. Step 6: Final answer
    x = 20,792.83

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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.