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Finding the Fourth Proportional to 12,062.45, 16,647.39 and 6,757.44

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Solution

The fourth proportional to 12,062.45, 16,647.39 and 6,757.44 is: 9,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.45 : 16,647.39 = 6,757.44 : x
  2. Step 2: Convert to fraction form
    12,062.45/16,647.39 = 6,757.44/x
  3. Step 3: Cross multiply
    12,062.45x = 16,647.39 × 6,757.44
  4. Step 4: Simplify right side
    12,062.45x = 112,493,739.08
  5. Step 5: Solve for x
    x = 112,493,739.08/12,062.45
  6. Step 6: Final answer
    x = 9,325.95

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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.