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Finding the Fourth Proportional to 60,288.28, 90,413.92 and 41,687.84

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Solution

The fourth proportional to 60,288.28, 90,413.92 and 41,687.84 is: 62,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,288.28 : 90,413.92 = 41,687.84 : x
  2. Step 2: Convert to fraction form
    60,288.28/90,413.92 = 41,687.84/x
  3. Step 3: Cross multiply
    60,288.28x = 90,413.92 × 41,687.84
  4. Step 4: Simplify right side
    60,288.28x = 3,769,161,030.73
  5. Step 5: Solve for x
    x = 3,769,161,030.73/60,288.28
  6. Step 6: Final answer
    x = 62,518.97

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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.