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Finding the Fourth Proportional to 2,993.88, 4,491.54 and 941.88

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Solution

The fourth proportional to 2,993.88, 4,491.54 and 941.88 is: 1,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.88 : 4,491.54 = 941.88 : x
  2. Step 2: Convert to fraction form
    2,993.88/4,491.54 = 941.88/x
  3. Step 3: Cross multiply
    2,993.88x = 4,491.54 × 941.88
  4. Step 4: Simplify right side
    2,993.88x = 4,230,491.70
  5. Step 5: Solve for x
    x = 4,230,491.70/2,993.88
  6. Step 6: Final answer
    x = 1,413.05

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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.