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Finding the Fourth Proportional to 36,668.52, 54,989.10 and 14,474.52

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Solution

The fourth proportional to 36,668.52, 54,989.10 and 14,474.52 is: 21,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,668.52 : 54,989.10 = 14,474.52 : x
  2. Step 2: Convert to fraction form
    36,668.52/54,989.10 = 14,474.52/x
  3. Step 3: Cross multiply
    36,668.52x = 54,989.10 × 14,474.52
  4. Step 4: Simplify right side
    36,668.52x = 795,940,827.73
  5. Step 5: Solve for x
    x = 795,940,827.73/36,668.52
  6. Step 6: Final answer
    x = 21,706.38

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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.