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Finding the Fourth Proportional to 4,630.62, 6,947.64 and 3,324.81

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Solution

The fourth proportional to 4,630.62, 6,947.64 and 3,324.81 is: 4,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.62 : 6,947.64 = 3,324.81 : x
  2. Step 2: Convert to fraction form
    4,630.62/6,947.64 = 3,324.81/x
  3. Step 3: Cross multiply
    4,630.62x = 6,947.64 × 3,324.81
  4. Step 4: Simplify right side
    4,630.62x = 23,099,582.95
  5. Step 5: Solve for x
    x = 23,099,582.95/4,630.62
  6. Step 6: Final answer
    x = 4,988.44

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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.