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Finding the Fourth Proportional to 5,863.97, 8,802.02 and 3,929.69

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Solution

The fourth proportional to 5,863.97, 8,802.02 and 3,929.69 is: 5,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.97 : 8,802.02 = 3,929.69 : x
  2. Step 2: Convert to fraction form
    5,863.97/8,802.02 = 3,929.69/x
  3. Step 3: Cross multiply
    5,863.97x = 8,802.02 × 3,929.69
  4. Step 4: Simplify right side
    5,863.97x = 34,589,175.79
  5. Step 5: Solve for x
    x = 34,589,175.79/5,863.97
  6. Step 6: Final answer
    x = 5,898.60

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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.