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Finding the Fourth Proportional to 66,227.41, 91,413.53 and 37,951.93

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Solution

The fourth proportional to 66,227.41, 91,413.53 and 37,951.93 is: 52,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,227.41 : 91,413.53 = 37,951.93 : x
  2. Step 2: Convert to fraction form
    66,227.41/91,413.53 = 37,951.93/x
  3. Step 3: Cross multiply
    66,227.41x = 91,413.53 × 37,951.93
  4. Step 4: Simplify right side
    66,227.41x = 3,469,319,891.61
  5. Step 5: Solve for x
    x = 3,469,319,891.61/66,227.41
  6. Step 6: Final answer
    x = 52,384.95

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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.