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Finding the Fourth Proportional to 12,183.80, 16,813.60 and 6,594.80

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Solution

The fourth proportional to 12,183.80, 16,813.60 and 6,594.80 is: 9,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.80 : 16,813.60 = 6,594.80 : x
  2. Step 2: Convert to fraction form
    12,183.80/16,813.60 = 6,594.80/x
  3. Step 3: Cross multiply
    12,183.80x = 16,813.60 × 6,594.80
  4. Step 4: Simplify right side
    12,183.80x = 110,882,329.28
  5. Step 5: Solve for x
    x = 110,882,329.28/12,183.80
  6. Step 6: Final answer
    x = 9,100.80

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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.