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Finding the Fourth Proportional to 16,611.45, 22,922.64 and 9,344.61

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Solution

The fourth proportional to 16,611.45, 22,922.64 and 9,344.61 is: 12,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,611.45 : 22,922.64 = 9,344.61 : x
  2. Step 2: Convert to fraction form
    16,611.45/22,922.64 = 9,344.61/x
  3. Step 3: Cross multiply
    16,611.45x = 22,922.64 × 9,344.61
  4. Step 4: Simplify right side
    16,611.45x = 214,203,130.97
  5. Step 5: Solve for x
    x = 214,203,130.97/16,611.45
  6. Step 6: Final answer
    x = 12,894.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.