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Finding the Fourth Proportional to 29,644.80, 44,473.83 and 15,611.43

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Solution

The fourth proportional to 29,644.80, 44,473.83 and 15,611.43 is: 23,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,644.80 : 44,473.83 = 15,611.43 : x
  2. Step 2: Convert to fraction form
    29,644.80/44,473.83 = 15,611.43/x
  3. Step 3: Cross multiply
    29,644.80x = 44,473.83 × 15,611.43
  4. Step 4: Simplify right side
    29,644.80x = 694,300,083.88
  5. Step 5: Solve for x
    x = 694,300,083.88/29,644.80
  6. Step 6: Final answer
    x = 23,420.64

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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.