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Finding the Fourth Proportional to 23,997, 33,115.90 and 13,387.30

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Solution

The fourth proportional to 23,997, 33,115.90 and 13,387.30 is: 18,474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,997 : 33,115.90 = 13,387.30 : x
  2. Step 2: Convert to fraction form
    23,997/33,115.90 = 13,387.30/x
  3. Step 3: Cross multiply
    23,997x = 33,115.90 × 13,387.30
  4. Step 4: Simplify right side
    23,997x = 443,332,488.07
  5. Step 5: Solve for x
    x = 443,332,488.07/23,997
  6. Step 6: Final answer
    x = 18,474.50

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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.