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Finding the Fourth Proportional to 36,870.69, 55,311.51 and 11,902.44

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Solution

The fourth proportional to 36,870.69, 55,311.51 and 11,902.44 is: 17,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.69 : 55,311.51 = 11,902.44 : x
  2. Step 2: Convert to fraction form
    36,870.69/55,311.51 = 11,902.44/x
  3. Step 3: Cross multiply
    36,870.69x = 55,311.51 × 11,902.44
  4. Step 4: Simplify right side
    36,870.69x = 658,342,114.19
  5. Step 5: Solve for x
    x = 658,342,114.19/36,870.69
  6. Step 6: Final answer
    x = 17,855.43

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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.