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Finding the Fourth Proportional to 16,643.44, 24,972.47 and 8,744.12

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Solution

The fourth proportional to 16,643.44, 24,972.47 and 8,744.12 is: 13,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.44 : 24,972.47 = 8,744.12 : x
  2. Step 2: Convert to fraction form
    16,643.44/24,972.47 = 8,744.12/x
  3. Step 3: Cross multiply
    16,643.44x = 24,972.47 × 8,744.12
  4. Step 4: Simplify right side
    16,643.44x = 218,362,232.23
  5. Step 5: Solve for x
    x = 218,362,232.23/16,643.44
  6. Step 6: Final answer
    x = 13,120.02

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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.