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Finding the Fourth Proportional to 67,081, 92,571.78 and 37,273

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Solution

The fourth proportional to 67,081, 92,571.78 and 37,273 is: 51,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,081 : 92,571.78 = 37,273 : x
  2. Step 2: Convert to fraction form
    67,081/92,571.78 = 37,273/x
  3. Step 3: Cross multiply
    67,081x = 92,571.78 × 37,273
  4. Step 4: Simplify right side
    67,081x = 3,450,427,955.94
  5. Step 5: Solve for x
    x = 3,450,427,955.94/67,081
  6. Step 6: Final answer
    x = 51,436.74

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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.