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Finding the Fourth Proportional to 26,943.98, 40,415.97 and 9,413.96

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Solution

The fourth proportional to 26,943.98, 40,415.97 and 9,413.96 is: 14,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.98 : 40,415.97 = 9,413.96 : x
  2. Step 2: Convert to fraction form
    26,943.98/40,415.97 = 9,413.96/x
  3. Step 3: Cross multiply
    26,943.98x = 40,415.97 × 9,413.96
  4. Step 4: Simplify right side
    26,943.98x = 380,474,324.94
  5. Step 5: Solve for x
    x = 380,474,324.94/26,943.98
  6. Step 6: Final answer
    x = 14,120.94

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1.5x scale

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.