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Finding the Fourth Proportional to 16,446.62, 22,696.31 and 9,276.54

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Solution

The fourth proportional to 16,446.62, 22,696.31 and 9,276.54 is: 12,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,446.62 : 22,696.31 = 9,276.54 : x
  2. Step 2: Convert to fraction form
    16,446.62/22,696.31 = 9,276.54/x
  3. Step 3: Cross multiply
    16,446.62x = 22,696.31 × 9,276.54
  4. Step 4: Simplify right side
    16,446.62x = 210,543,181.18
  5. Step 5: Solve for x
    x = 210,543,181.18/16,446.62
  6. Step 6: Final answer
    x = 12,801.61

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1.5x scale

Why These Related Problems?

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