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Finding the Fourth Proportional to 5,940.66, 8,913.15 and 2,821.62

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Solution

The fourth proportional to 5,940.66, 8,913.15 and 2,821.62 is: 4,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.66 : 8,913.15 = 2,821.62 : x
  2. Step 2: Convert to fraction form
    5,940.66/8,913.15 = 2,821.62/x
  3. Step 3: Cross multiply
    5,940.66x = 8,913.15 × 2,821.62
  4. Step 4: Simplify right side
    5,940.66x = 25,149,522.30
  5. Step 5: Solve for x
    x = 25,149,522.30/5,940.66
  6. Step 6: Final answer
    x = 4,233.46

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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.