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Finding the Fourth Proportional to 11,893.70, 16,380.02 and 11,635.41

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Solution

The fourth proportional to 11,893.70, 16,380.02 and 11,635.41 is: 16,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.70 : 16,380.02 = 11,635.41 : x
  2. Step 2: Convert to fraction form
    11,893.70/16,380.02 = 11,635.41/x
  3. Step 3: Cross multiply
    11,893.70x = 16,380.02 × 11,635.41
  4. Step 4: Simplify right side
    11,893.70x = 190,588,190.33
  5. Step 5: Solve for x
    x = 190,588,190.33/11,893.70
  6. Step 6: Final answer
    x = 16,024.30

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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.