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Finding the Fourth Proportional to 16,060.42, 22,162.66 and 8,890.61

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Solution

The fourth proportional to 16,060.42, 22,162.66 and 8,890.61 is: 12,268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,060.42 : 22,162.66 = 8,890.61 : x
  2. Step 2: Convert to fraction form
    16,060.42/22,162.66 = 8,890.61/x
  3. Step 3: Cross multiply
    16,060.42x = 22,162.66 × 8,890.61
  4. Step 4: Simplify right side
    16,060.42x = 197,039,433.58
  5. Step 5: Solve for x
    x = 197,039,433.58/16,060.42
  6. Step 6: Final answer
    x = 12,268.63

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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.