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Finding the Fourth Proportional to 5,598.11, 7,724.94 and 3,239.79

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Solution

The fourth proportional to 5,598.11, 7,724.94 and 3,239.79 is: 4,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.11 : 7,724.94 = 3,239.79 : x
  2. Step 2: Convert to fraction form
    5,598.11/7,724.94 = 3,239.79/x
  3. Step 3: Cross multiply
    5,598.11x = 7,724.94 × 3,239.79
  4. Step 4: Simplify right side
    5,598.11x = 25,027,183.36
  5. Step 5: Solve for x
    x = 25,027,183.36/5,598.11
  6. Step 6: Final answer
    x = 4,470.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.