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Finding the Fourth Proportional to 12,268.53, 16,933.86 and 7,794.90

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Solution

The fourth proportional to 12,268.53, 16,933.86 and 7,794.90 is: 10,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.53 : 16,933.86 = 7,794.90 : x
  2. Step 2: Convert to fraction form
    12,268.53/16,933.86 = 7,794.90/x
  3. Step 3: Cross multiply
    12,268.53x = 16,933.86 × 7,794.90
  4. Step 4: Simplify right side
    12,268.53x = 131,997,745.31
  5. Step 5: Solve for x
    x = 131,997,745.31/12,268.53
  6. Step 6: Final answer
    x = 10,759.05

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1.5x scale

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.