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Finding the Fourth Proportional to 16,446.92, 22,696.68 and 9,375.56

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Solution

The fourth proportional to 16,446.92, 22,696.68 and 9,375.56 is: 12,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,446.92 : 22,696.68 = 9,375.56 : x
  2. Step 2: Convert to fraction form
    16,446.92/22,696.68 = 9,375.56/x
  3. Step 3: Cross multiply
    16,446.92x = 22,696.68 × 9,375.56
  4. Step 4: Simplify right side
    16,446.92x = 212,794,085.14
  5. Step 5: Solve for x
    x = 212,794,085.14/16,446.92
  6. Step 6: Final answer
    x = 12,938.23

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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.