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Finding the Fourth Proportional to 5,598.66, 7,723.98 and 3,239.94

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Solution

The fourth proportional to 5,598.66, 7,723.98 and 3,239.94 is: 4,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.66 : 7,723.98 = 3,239.94 : x
  2. Step 2: Convert to fraction form
    5,598.66/7,723.98 = 3,239.94/x
  3. Step 3: Cross multiply
    5,598.66x = 7,723.98 × 3,239.94
  4. Step 4: Simplify right side
    5,598.66x = 25,025,231.76
  5. Step 5: Solve for x
    x = 25,025,231.76/5,598.66
  6. Step 6: Final answer
    x = 4,469.86

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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.