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Finding the Fourth Proportional to 8,992.73, 13,489.06 and 2,418.91

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Solution

The fourth proportional to 8,992.73, 13,489.06 and 2,418.91 is: 3,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.73 : 13,489.06 = 2,418.91 : x
  2. Step 2: Convert to fraction form
    8,992.73/13,489.06 = 2,418.91/x
  3. Step 3: Cross multiply
    8,992.73x = 13,489.06 × 2,418.91
  4. Step 4: Simplify right side
    8,992.73x = 32,628,822.12
  5. Step 5: Solve for x
    x = 32,628,822.12/8,992.73
  6. Step 6: Final answer
    x = 3,628.36

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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.