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Finding the Fourth Proportional to 11,199.57, 16,788.87 and 3,798.80

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Solution

The fourth proportional to 11,199.57, 16,788.87 and 3,798.80 is: 5,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.57 : 16,788.87 = 3,798.80 : x
  2. Step 2: Convert to fraction form
    11,199.57/16,788.87 = 3,798.80/x
  3. Step 3: Cross multiply
    11,199.57x = 16,788.87 × 3,798.80
  4. Step 4: Simplify right side
    11,199.57x = 63,777,538.37
  5. Step 5: Solve for x
    x = 63,777,538.37/11,199.57
  6. Step 6: Final answer
    x = 5,694.64

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1.5x scale

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.