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Finding the Fourth Proportional to 26,943.48, 40,415.22 and 9,413.46

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Solution

The fourth proportional to 26,943.48, 40,415.22 and 9,413.46 is: 14,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,943.48 : 40,415.22 = 9,413.46 : x
  2. Step 2: Convert to fraction form
    26,943.48/40,415.22 = 9,413.46/x
  3. Step 3: Cross multiply
    26,943.48x = 40,415.22 × 9,413.46
  4. Step 4: Simplify right side
    26,943.48x = 380,447,056.86
  5. Step 5: Solve for x
    x = 380,447,056.86/26,943.48
  6. Step 6: Final answer
    x = 14,120.19

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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.