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Finding the Fourth Proportional to 12,351.64, 18,524.17 and 3,466.45

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Solution

The fourth proportional to 12,351.64, 18,524.17 and 3,466.45 is: 5,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.64 : 18,524.17 = 3,466.45 : x
  2. Step 2: Convert to fraction form
    12,351.64/18,524.17 = 3,466.45/x
  3. Step 3: Cross multiply
    12,351.64x = 18,524.17 × 3,466.45
  4. Step 4: Simplify right side
    12,351.64x = 64,213,047.62
  5. Step 5: Solve for x
    x = 64,213,047.62/12,351.64
  6. Step 6: Final answer
    x = 5,198.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.