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Finding the Fourth Proportional to 11,198.58, 16,797.90 and 4,617.54

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Solution

The fourth proportional to 11,198.58, 16,797.90 and 4,617.54 is: 6,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.58 : 16,797.90 = 4,617.54 : x
  2. Step 2: Convert to fraction form
    11,198.58/16,797.90 = 4,617.54/x
  3. Step 3: Cross multiply
    11,198.58x = 16,797.90 × 4,617.54
  4. Step 4: Simplify right side
    11,198.58x = 77,564,975.17
  5. Step 5: Solve for x
    x = 77,564,975.17/11,198.58
  6. Step 6: Final answer
    x = 6,926.32

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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.