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Finding the Fourth Proportional to 60,413.72, 90,636.84 and 25,343.96

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Solution

The fourth proportional to 60,413.72, 90,636.84 and 25,343.96 is: 38,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,413.72 : 90,636.84 = 25,343.96 : x
  2. Step 2: Convert to fraction form
    60,413.72/90,636.84 = 25,343.96/x
  3. Step 3: Cross multiply
    60,413.72x = 90,636.84 × 25,343.96
  4. Step 4: Simplify right side
    60,413.72x = 2,297,096,447.49
  5. Step 5: Solve for x
    x = 2,297,096,447.49/60,413.72
  6. Step 6: Final answer
    x = 38,022.76

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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.