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Finding the Fourth Proportional to 60,942.72, 91,413.95 and 16,575.92

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Solution

The fourth proportional to 60,942.72, 91,413.95 and 16,575.92 is: 24,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,942.72 : 91,413.95 = 16,575.92 : x
  2. Step 2: Convert to fraction form
    60,942.72/91,413.95 = 16,575.92/x
  3. Step 3: Cross multiply
    60,942.72x = 91,413.95 × 16,575.92
  4. Step 4: Simplify right side
    60,942.72x = 1,515,269,782.13
  5. Step 5: Solve for x
    x = 1,515,269,782.13/60,942.72
  6. Step 6: Final answer
    x = 24,863.84

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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.