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Finding the Fourth Proportional to 32,871.72, 49,245.30 and 19,516.44

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Solution

The fourth proportional to 32,871.72, 49,245.30 and 19,516.44 is: 29,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,871.72 : 49,245.30 = 19,516.44 : x
  2. Step 2: Convert to fraction form
    32,871.72/49,245.30 = 19,516.44/x
  3. Step 3: Cross multiply
    32,871.72x = 49,245.30 × 19,516.44
  4. Step 4: Simplify right side
    32,871.72x = 961,092,942.73
  5. Step 5: Solve for x
    x = 961,092,942.73/32,871.72
  6. Step 6: Final answer
    x = 29,237.68

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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.