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Finding the Fourth Proportional to 16,474.85, 22,736.92 and 9,402.33

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Solution

The fourth proportional to 16,474.85, 22,736.92 and 9,402.33 is: 12,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,474.85 : 22,736.92 = 9,402.33 : x
  2. Step 2: Convert to fraction form
    16,474.85/22,736.92 = 9,402.33/x
  3. Step 3: Cross multiply
    16,474.85x = 22,736.92 × 9,402.33
  4. Step 4: Simplify right side
    16,474.85x = 213,780,104.41
  5. Step 5: Solve for x
    x = 213,780,104.41/16,474.85
  6. Step 6: Final answer
    x = 12,976.15

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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.