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Finding the Fourth Proportional to 62,950.76, 94,413.54 and 40,394.66

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Solution

The fourth proportional to 62,950.76, 94,413.54 and 40,394.66 is: 60,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,950.76 : 94,413.54 = 40,394.66 : x
  2. Step 2: Convert to fraction form
    62,950.76/94,413.54 = 40,394.66/x
  3. Step 3: Cross multiply
    62,950.76x = 94,413.54 × 40,394.66
  4. Step 4: Simplify right side
    62,950.76x = 3,813,802,847.70
  5. Step 5: Solve for x
    x = 3,813,802,847.70/62,950.76
  6. Step 6: Final answer
    x = 60,583.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.