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Finding the Fourth Proportional to 2,940.96, 4,413.72 and 1,533.99

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Solution

The fourth proportional to 2,940.96, 4,413.72 and 1,533.99 is: 2,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.96 : 4,413.72 = 1,533.99 : x
  2. Step 2: Convert to fraction form
    2,940.96/4,413.72 = 1,533.99/x
  3. Step 3: Cross multiply
    2,940.96x = 4,413.72 × 1,533.99
  4. Step 4: Simplify right side
    2,940.96x = 6,770,624.65
  5. Step 5: Solve for x
    x = 6,770,624.65/2,940.96
  6. Step 6: Final answer
    x = 2,302.18

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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.