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Finding the Fourth Proportional to 50,951.94, 76,403.31 and 21,361.83

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Solution

The fourth proportional to 50,951.94, 76,403.31 and 21,361.83 is: 32,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,951.94 : 76,403.31 = 21,361.83 : x
  2. Step 2: Convert to fraction form
    50,951.94/76,403.31 = 21,361.83/x
  3. Step 3: Cross multiply
    50,951.94x = 76,403.31 × 21,361.83
  4. Step 4: Simplify right side
    50,951.94x = 1,632,114,519.66
  5. Step 5: Solve for x
    x = 1,632,114,519.66/50,951.94
  6. Step 6: Final answer
    x = 32,032.43

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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.