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Finding the Fourth Proportional to 10,992.62, 16,489.96 and 3,597.12

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Solution

The fourth proportional to 10,992.62, 16,489.96 and 3,597.12 is: 5,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.62 : 16,489.96 = 3,597.12 : x
  2. Step 2: Convert to fraction form
    10,992.62/16,489.96 = 3,597.12/x
  3. Step 3: Cross multiply
    10,992.62x = 16,489.96 × 3,597.12
  4. Step 4: Simplify right side
    10,992.62x = 59,316,355.92
  5. Step 5: Solve for x
    x = 59,316,355.92/10,992.62
  6. Step 6: Final answer
    x = 5,396.02

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Why These Related Problems?

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