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Finding the Fourth Proportional to 2,402.90, 3,605.74 and 941.98

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Solution

The fourth proportional to 2,402.90, 3,605.74 and 941.98 is: 1,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.90 : 3,605.74 = 941.98 : x
  2. Step 2: Convert to fraction form
    2,402.90/3,605.74 = 941.98/x
  3. Step 3: Cross multiply
    2,402.90x = 3,605.74 × 941.98
  4. Step 4: Simplify right side
    2,402.90x = 3,396,534.97
  5. Step 5: Solve for x
    x = 3,396,534.97/2,402.90
  6. Step 6: Final answer
    x = 1,413.51

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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.