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Finding the Fourth Proportional to 35,771.52, 49,413.60 and 29,049.60

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Solution

The fourth proportional to 35,771.52, 49,413.60 and 29,049.60 is: 40,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.52 : 49,413.60 = 29,049.60 : x
  2. Step 2: Convert to fraction form
    35,771.52/49,413.60 = 29,049.60/x
  3. Step 3: Cross multiply
    35,771.52x = 49,413.60 × 29,049.60
  4. Step 4: Simplify right side
    35,771.52x = 1,435,445,314.56
  5. Step 5: Solve for x
    x = 1,435,445,314.56/35,771.52
  6. Step 6: Final answer
    x = 40,128.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.