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Finding the Fourth Proportional to 3,235.61, 4,463.60 and 1,908.42

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Solution

The fourth proportional to 3,235.61, 4,463.60 and 1,908.42 is: 2,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.61 : 4,463.60 = 1,908.42 : x
  2. Step 2: Convert to fraction form
    3,235.61/4,463.60 = 1,908.42/x
  3. Step 3: Cross multiply
    3,235.61x = 4,463.60 × 1,908.42
  4. Step 4: Simplify right side
    3,235.61x = 8,518,413.97
  5. Step 5: Solve for x
    x = 8,518,413.97/3,235.61
  6. Step 6: Final answer
    x = 2,632.71

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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.