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Finding the Fourth Proportional to 30,394.44, 41,940.05 and 16,963.83

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Solution

The fourth proportional to 30,394.44, 41,940.05 and 16,963.83 is: 23,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394.44 : 41,940.05 = 16,963.83 : x
  2. Step 2: Convert to fraction form
    30,394.44/41,940.05 = 16,963.83/x
  3. Step 3: Cross multiply
    30,394.44x = 41,940.05 × 16,963.83
  4. Step 4: Simplify right side
    30,394.44x = 711,463,793.57
  5. Step 5: Solve for x
    x = 711,463,793.57/30,394.44
  6. Step 6: Final answer
    x = 23,407.70

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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.