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Finding the Fourth Proportional to 50,573.72, 69,791.69 and 28,217.72

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Solution

The fourth proportional to 50,573.72, 69,791.69 and 28,217.72 is: 38,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,573.72 : 69,791.69 = 28,217.72 : x
  2. Step 2: Convert to fraction form
    50,573.72/69,791.69 = 28,217.72/x
  3. Step 3: Cross multiply
    50,573.72x = 69,791.69 × 28,217.72
  4. Step 4: Simplify right side
    50,573.72x = 1,969,362,366.75
  5. Step 5: Solve for x
    x = 1,969,362,366.75/50,573.72
  6. Step 6: Final answer
    x = 38,940.43

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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.