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Finding the Fourth Proportional to 8,992.54, 13,481.52 and 3,148.66

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Solution

The fourth proportional to 8,992.54, 13,481.52 and 3,148.66 is: 4,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.54 : 13,481.52 = 3,148.66 : x
  2. Step 2: Convert to fraction form
    8,992.54/13,481.52 = 3,148.66/x
  3. Step 3: Cross multiply
    8,992.54x = 13,481.52 × 3,148.66
  4. Step 4: Simplify right side
    8,992.54x = 42,448,722.76
  5. Step 5: Solve for x
    x = 42,448,722.76/8,992.54
  6. Step 6: Final answer
    x = 4,720.44

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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.