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Finding the Fourth Proportional to 32,940.81, 49,413.94 and 10,753.70

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Solution

The fourth proportional to 32,940.81, 49,413.94 and 10,753.70 is: 16,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,940.81 : 49,413.94 = 10,753.70 : x
  2. Step 2: Convert to fraction form
    32,940.81/49,413.94 = 10,753.70/x
  3. Step 3: Cross multiply
    32,940.81x = 49,413.94 × 10,753.70
  4. Step 4: Simplify right side
    32,940.81x = 531,382,412.62
  5. Step 5: Solve for x
    x = 531,382,412.62/32,940.81
  6. Step 6: Final answer
    x = 16,131.43

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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.