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Finding the Fourth Proportional to 11,168.40, 16,740.94 and 3,770.31

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Solution

The fourth proportional to 11,168.40, 16,740.94 and 3,770.31 is: 5,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.40 : 16,740.94 = 3,770.31 : x
  2. Step 2: Convert to fraction form
    11,168.40/16,740.94 = 3,770.31/x
  3. Step 3: Cross multiply
    11,168.40x = 16,740.94 × 3,770.31
  4. Step 4: Simplify right side
    11,168.40x = 63,118,533.49
  5. Step 5: Solve for x
    x = 63,118,533.49/11,168.40
  6. Step 6: Final answer
    x = 5,651.53

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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.