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Finding the Fourth Proportional to 9,158.54, 13,737.78 and 3,608.88

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Solution

The fourth proportional to 9,158.54, 13,737.78 and 3,608.88 is: 5,413.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.54 : 13,737.78 = 3,608.88 : x
  2. Step 2: Convert to fraction form
    9,158.54/13,737.78 = 3,608.88/x
  3. Step 3: Cross multiply
    9,158.54x = 13,737.78 × 3,608.88
  4. Step 4: Simplify right side
    9,158.54x = 49,577,999.49
  5. Step 5: Solve for x
    x = 49,577,999.49/9,158.54
  6. Step 6: Final answer
    x = 5,413.31

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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.