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Finding the Fourth Proportional to 8,799, 13,198.50 and 3,327

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Solution

The fourth proportional to 8,799, 13,198.50 and 3,327 is: 4,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799 : 13,198.50 = 3,327 : x
  2. Step 2: Convert to fraction form
    8,799/13,198.50 = 3,327/x
  3. Step 3: Cross multiply
    8,799x = 13,198.50 × 3,327
  4. Step 4: Simplify right side
    8,799x = 43,911,409.50
  5. Step 5: Solve for x
    x = 43,911,409.50/8,799
  6. Step 6: Final answer
    x = 4,990.50

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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.