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Finding the Fourth Proportional to 2,673.36, 4,010.16 and 942

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Solution

The fourth proportional to 2,673.36, 4,010.16 and 942 is: 1,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.36 : 4,010.16 = 942 : x
  2. Step 2: Convert to fraction form
    2,673.36/4,010.16 = 942/x
  3. Step 3: Cross multiply
    2,673.36x = 4,010.16 × 942
  4. Step 4: Simplify right side
    2,673.36x = 3,777,570.72
  5. Step 5: Solve for x
    x = 3,777,570.72/2,673.36
  6. Step 6: Final answer
    x = 1,413.04

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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.