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Finding the Fourth Proportional to 48,940.98, 67,532.86 and 28,793.46

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Solution

The fourth proportional to 48,940.98, 67,532.86 and 28,793.46 is: 39,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,940.98 : 67,532.86 = 28,793.46 : x
  2. Step 2: Convert to fraction form
    48,940.98/67,532.86 = 28,793.46/x
  3. Step 3: Cross multiply
    48,940.98x = 67,532.86 × 28,793.46
  4. Step 4: Simplify right side
    48,940.98x = 1,944,504,703.10
  5. Step 5: Solve for x
    x = 1,944,504,703.10/48,940.98
  6. Step 6: Final answer
    x = 39,731.63

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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.