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Finding the Fourth Proportional to 16,469.98, 24,704.98 and 3,990.02

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Solution

The fourth proportional to 16,469.98, 24,704.98 and 3,990.02 is: 5,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,469.98 : 24,704.98 = 3,990.02 : x
  2. Step 2: Convert to fraction form
    16,469.98/24,704.98 = 3,990.02/x
  3. Step 3: Cross multiply
    16,469.98x = 24,704.98 × 3,990.02
  4. Step 4: Simplify right side
    16,469.98x = 98,573,230.80
  5. Step 5: Solve for x
    x = 98,573,230.80/16,469.98
  6. Step 6: Final answer
    x = 5,985.03

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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.