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Finding the Fourth Proportional to 10,992.88, 16,492.02 and 3,201.76

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Solution

The fourth proportional to 10,992.88, 16,492.02 and 3,201.76 is: 4,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.88 : 16,492.02 = 3,201.76 : x
  2. Step 2: Convert to fraction form
    10,992.88/16,492.02 = 3,201.76/x
  3. Step 3: Cross multiply
    10,992.88x = 16,492.02 × 3,201.76
  4. Step 4: Simplify right side
    10,992.88x = 52,803,489.96
  5. Step 5: Solve for x
    x = 52,803,489.96/10,992.88
  6. Step 6: Final answer
    x = 4,803.43

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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.