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Finding the Fourth Proportional to 4,480.41, 6,724.11 and 3,103.41

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Solution

The fourth proportional to 4,480.41, 6,724.11 and 3,103.41 is: 4,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.41 : 6,724.11 = 3,103.41 : x
  2. Step 2: Convert to fraction form
    4,480.41/6,724.11 = 3,103.41/x
  3. Step 3: Cross multiply
    4,480.41x = 6,724.11 × 3,103.41
  4. Step 4: Simplify right side
    4,480.41x = 20,867,670.22
  5. Step 5: Solve for x
    x = 20,867,670.22/4,480.41
  6. Step 6: Final answer
    x = 4,657.54

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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.