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Finding the Fourth Proportional to 5,816.43, 8,719.61 and 2,351.43

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Solution

The fourth proportional to 5,816.43, 8,719.61 and 2,351.43 is: 3,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.43 : 8,719.61 = 2,351.43 : x
  2. Step 2: Convert to fraction form
    5,816.43/8,719.61 = 2,351.43/x
  3. Step 3: Cross multiply
    5,816.43x = 8,719.61 × 2,351.43
  4. Step 4: Simplify right side
    5,816.43x = 20,503,540.79
  5. Step 5: Solve for x
    x = 20,503,540.79/5,816.43
  6. Step 6: Final answer
    x = 3,525.11

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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.