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Finding the Fourth Proportional to 36,774.87, 55,150.22 and 11,808.99

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Solution

The fourth proportional to 36,774.87, 55,150.22 and 11,808.99 is: 17,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,774.87 : 55,150.22 = 11,808.99 : x
  2. Step 2: Convert to fraction form
    36,774.87/55,150.22 = 11,808.99/x
  3. Step 3: Cross multiply
    36,774.87x = 55,150.22 × 11,808.99
  4. Step 4: Simplify right side
    36,774.87x = 651,268,337.43
  5. Step 5: Solve for x
    x = 651,268,337.43/36,774.87
  6. Step 6: Final answer
    x = 17,709.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.