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Finding the Fourth Proportional to 5,372.91, 8,059.05 and 2,739.60

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Solution

The fourth proportional to 5,372.91, 8,059.05 and 2,739.60 is: 4,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.91 : 8,059.05 = 2,739.60 : x
  2. Step 2: Convert to fraction form
    5,372.91/8,059.05 = 2,739.60/x
  3. Step 3: Cross multiply
    5,372.91x = 8,059.05 × 2,739.60
  4. Step 4: Simplify right side
    5,372.91x = 22,078,573.38
  5. Step 5: Solve for x
    x = 22,078,573.38/5,372.91
  6. Step 6: Final answer
    x = 4,109.24

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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.