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Finding the Fourth Proportional to 17,912.10, 24,718.74 and 9,954.12

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Solution

The fourth proportional to 17,912.10, 24,718.74 and 9,954.12 is: 13,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.10 : 24,718.74 = 9,954.12 : x
  2. Step 2: Convert to fraction form
    17,912.10/24,718.74 = 9,954.12/x
  3. Step 3: Cross multiply
    17,912.10x = 24,718.74 × 9,954.12
  4. Step 4: Simplify right side
    17,912.10x = 246,053,304.21
  5. Step 5: Solve for x
    x = 246,053,304.21/17,912.10
  6. Step 6: Final answer
    x = 13,736.71

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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.