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Finding the Fourth Proportional to 34,142.39, 51,213.60 and 10,770.65

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Solution

The fourth proportional to 34,142.39, 51,213.60 and 10,770.65 is: 16,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,142.39 : 51,213.60 = 10,770.65 : x
  2. Step 2: Convert to fraction form
    34,142.39/51,213.60 = 10,770.65/x
  3. Step 3: Cross multiply
    34,142.39x = 51,213.60 × 10,770.65
  4. Step 4: Simplify right side
    34,142.39x = 551,603,504.77
  5. Step 5: Solve for x
    x = 551,603,504.77/34,142.39
  6. Step 6: Final answer
    x = 16,155.97

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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.