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Finding the Fourth Proportional to 60,793.94, 83,817.64 and 49,851.78

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Solution

The fourth proportional to 60,793.94, 83,817.64 and 49,851.78 is: 68,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,793.94 : 83,817.64 = 49,851.78 : x
  2. Step 2: Convert to fraction form
    60,793.94/83,817.64 = 49,851.78/x
  3. Step 3: Cross multiply
    60,793.94x = 83,817.64 × 49,851.78
  4. Step 4: Simplify right side
    60,793.94x = 4,178,458,252.72
  5. Step 5: Solve for x
    x = 4,178,458,252.72/60,793.94
  6. Step 6: Final answer
    x = 68,731.49

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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.