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Finding the Fourth Proportional to 16,961.35, 23,408.11 and 9,410.12

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Solution

The fourth proportional to 16,961.35, 23,408.11 and 9,410.12 is: 12,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.35 : 23,408.11 = 9,410.12 : x
  2. Step 2: Convert to fraction form
    16,961.35/23,408.11 = 9,410.12/x
  3. Step 3: Cross multiply
    16,961.35x = 23,408.11 × 9,410.12
  4. Step 4: Simplify right side
    16,961.35x = 220,273,124.07
  5. Step 5: Solve for x
    x = 220,273,124.07/16,961.35
  6. Step 6: Final answer
    x = 12,986.77

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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.