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Finding the Fourth Proportional to 17,912.98, 24,718.77 and 9,954.73

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Solution

The fourth proportional to 17,912.98, 24,718.77 and 9,954.73 is: 13,736.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.98 : 24,718.77 = 9,954.73 : x
  2. Step 2: Convert to fraction form
    17,912.98/24,718.77 = 9,954.73/x
  3. Step 3: Cross multiply
    17,912.98x = 24,718.77 × 9,954.73
  4. Step 4: Simplify right side
    17,912.98x = 246,068,681.28
  5. Step 5: Solve for x
    x = 246,068,681.28/17,912.98
  6. Step 6: Final answer
    x = 13,736.89

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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.