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Finding the Fourth Proportional to 17,996.98, 24,835.99 and 9,930.99

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Solution

The fourth proportional to 17,996.98, 24,835.99 and 9,930.99 is: 13,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996.98 : 24,835.99 = 9,930.99 : x
  2. Step 2: Convert to fraction form
    17,996.98/24,835.99 = 9,930.99/x
  3. Step 3: Cross multiply
    17,996.98x = 24,835.99 × 9,930.99
  4. Step 4: Simplify right side
    17,996.98x = 246,645,968.33
  5. Step 5: Solve for x
    x = 246,645,968.33/17,996.98
  6. Step 6: Final answer
    x = 13,704.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.