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Finding the Fourth Proportional to 5,890.44, 8,819.83 and 5,143.02

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Solution

The fourth proportional to 5,890.44, 8,819.83 and 5,143.02 is: 7,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.44 : 8,819.83 = 5,143.02 : x
  2. Step 2: Convert to fraction form
    5,890.44/8,819.83 = 5,143.02/x
  3. Step 3: Cross multiply
    5,890.44x = 8,819.83 × 5,143.02
  4. Step 4: Simplify right side
    5,890.44x = 45,360,562.09
  5. Step 5: Solve for x
    x = 45,360,562.09/5,890.44
  6. Step 6: Final answer
    x = 7,700.71

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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.