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Finding the Fourth Proportional to 13,361.52, 20,052 and 5,974.32

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Solution

The fourth proportional to 13,361.52, 20,052 and 5,974.32 is: 8,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.52 : 20,052 = 5,974.32 : x
  2. Step 2: Convert to fraction form
    13,361.52/20,052 = 5,974.32/x
  3. Step 3: Cross multiply
    13,361.52x = 20,052 × 5,974.32
  4. Step 4: Simplify right side
    13,361.52x = 119,797,064.64
  5. Step 5: Solve for x
    x = 119,797,064.64/13,361.52
  6. Step 6: Final answer
    x = 8,965.83

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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.