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Finding the Fourth Proportional to 12,093.73, 16,690.92 and 6,788.53

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Solution

The fourth proportional to 12,093.73, 16,690.92 and 6,788.53 is: 9,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.73 : 16,690.92 = 6,788.53 : x
  2. Step 2: Convert to fraction form
    12,093.73/16,690.92 = 6,788.53/x
  3. Step 3: Cross multiply
    12,093.73x = 16,690.92 × 6,788.53
  4. Step 4: Simplify right side
    12,093.73x = 113,306,811.15
  5. Step 5: Solve for x
    x = 113,306,811.15/12,093.73
  6. Step 6: Final answer
    x = 9,369.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.