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Finding the Fourth Proportional to 2,328.81, 3,493.92 and 941.88

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Solution

The fourth proportional to 2,328.81, 3,493.92 and 941.88 is: 1,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.81 : 3,493.92 = 941.88 : x
  2. Step 2: Convert to fraction form
    2,328.81/3,493.92 = 941.88/x
  3. Step 3: Cross multiply
    2,328.81x = 3,493.92 × 941.88
  4. Step 4: Simplify right side
    2,328.81x = 3,290,853.37
  5. Step 5: Solve for x
    x = 3,290,853.37/2,328.81
  6. Step 6: Final answer
    x = 1,413.11

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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.