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Finding the Fourth Proportional to 26,941.92, 40,413.54 and 9,172.55

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Solution

The fourth proportional to 26,941.92, 40,413.54 and 9,172.55 is: 13,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,941.92 : 40,413.54 = 9,172.55 : x
  2. Step 2: Convert to fraction form
    26,941.92/40,413.54 = 9,172.55/x
  3. Step 3: Cross multiply
    26,941.92x = 40,413.54 × 9,172.55
  4. Step 4: Simplify right side
    26,941.92x = 370,695,014.26
  5. Step 5: Solve for x
    x = 370,695,014.26/26,941.92
  6. Step 6: Final answer
    x = 13,759.04

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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.