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Finding the Fourth Proportional to 22,604.60, 33,912.30 and 10,908.20

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Solution

The fourth proportional to 22,604.60, 33,912.30 and 10,908.20 is: 16,364.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,604.60 : 33,912.30 = 10,908.20 : x
  2. Step 2: Convert to fraction form
    22,604.60/33,912.30 = 10,908.20/x
  3. Step 3: Cross multiply
    22,604.60x = 33,912.30 × 10,908.20
  4. Step 4: Simplify right side
    22,604.60x = 369,922,150.86
  5. Step 5: Solve for x
    x = 369,922,150.86/22,604.60
  6. Step 6: Final answer
    x = 16,364.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.