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Finding the Fourth Proportional to 39,953.52, 59,942.22 and 11,874.48

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Solution

The fourth proportional to 39,953.52, 59,942.22 and 11,874.48 is: 17,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,953.52 : 59,942.22 = 11,874.48 : x
  2. Step 2: Convert to fraction form
    39,953.52/59,942.22 = 11,874.48/x
  3. Step 3: Cross multiply
    39,953.52x = 59,942.22 × 11,874.48
  4. Step 4: Simplify right side
    39,953.52x = 711,782,692.55
  5. Step 5: Solve for x
    x = 711,782,692.55/39,953.52
  6. Step 6: Final answer
    x = 17,815.27

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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.