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Finding the Fourth Proportional to 4,388.49, 6,023.88 and 3,879.99

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Solution

The fourth proportional to 4,388.49, 6,023.88 and 3,879.99 is: 5,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.49 : 6,023.88 = 3,879.99 : x
  2. Step 2: Convert to fraction form
    4,388.49/6,023.88 = 3,879.99/x
  3. Step 3: Cross multiply
    4,388.49x = 6,023.88 × 3,879.99
  4. Step 4: Simplify right side
    4,388.49x = 23,372,594.16
  5. Step 5: Solve for x
    x = 23,372,594.16/4,388.49
  6. Step 6: Final answer
    x = 5,325.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.