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Finding the Fourth Proportional to 8,396.81, 12,600.87 and 3,466.34

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Solution

The fourth proportional to 8,396.81, 12,600.87 and 3,466.34 is: 5,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.81 : 12,600.87 = 3,466.34 : x
  2. Step 2: Convert to fraction form
    8,396.81/12,600.87 = 3,466.34/x
  3. Step 3: Cross multiply
    8,396.81x = 12,600.87 × 3,466.34
  4. Step 4: Simplify right side
    8,396.81x = 43,678,836.71
  5. Step 5: Solve for x
    x = 43,678,836.71/8,396.81
  6. Step 6: Final answer
    x = 5,201.84

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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.