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Finding the Fourth Proportional to 18,366.56, 27,512.88 and 8,492.24

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Solution

The fourth proportional to 18,366.56, 27,512.88 and 8,492.24 is: 12,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.56 : 27,512.88 = 8,492.24 : x
  2. Step 2: Convert to fraction form
    18,366.56/27,512.88 = 8,492.24/x
  3. Step 3: Cross multiply
    18,366.56x = 27,512.88 × 8,492.24
  4. Step 4: Simplify right side
    18,366.56x = 233,645,980.05
  5. Step 5: Solve for x
    x = 233,645,980.05/18,366.56
  6. Step 6: Final answer
    x = 12,721.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.