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Finding the Fourth Proportional to 17,821.44, 24,592.96 and 9,863.68

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Solution

The fourth proportional to 17,821.44, 24,592.96 and 9,863.68 is: 13,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821.44 : 24,592.96 = 9,863.68 : x
  2. Step 2: Convert to fraction form
    17,821.44/24,592.96 = 9,863.68/x
  3. Step 3: Cross multiply
    17,821.44x = 24,592.96 × 9,863.68
  4. Step 4: Simplify right side
    17,821.44x = 242,577,087.69
  5. Step 5: Solve for x
    x = 242,577,087.69/17,821.44
  6. Step 6: Final answer
    x = 13,611.53

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Similar ratio
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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.