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Finding the Fourth Proportional to 39,951.56, 59,954.09 and 16,578.02

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Solution

The fourth proportional to 39,951.56, 59,954.09 and 16,578.02 is: 24,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.56 : 59,954.09 = 16,578.02 : x
  2. Step 2: Convert to fraction form
    39,951.56/59,954.09 = 16,578.02/x
  3. Step 3: Cross multiply
    39,951.56x = 59,954.09 × 16,578.02
  4. Step 4: Simplify right side
    39,951.56x = 993,919,720.44
  5. Step 5: Solve for x
    x = 993,919,720.44/39,951.56
  6. Step 6: Final answer
    x = 24,878.12

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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.