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Finding the Fourth Proportional to 1,824, 2,517.16 and 996

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Solution

The fourth proportional to 1,824, 2,517.16 and 996 is: 1,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824 : 2,517.16 = 996 : x
  2. Step 2: Convert to fraction form
    1,824/2,517.16 = 996/x
  3. Step 3: Cross multiply
    1,824x = 2,517.16 × 996
  4. Step 4: Simplify right side
    1,824x = 2,507,091.36
  5. Step 5: Solve for x
    x = 2,507,091.36/1,824
  6. Step 6: Final answer
    x = 1,374.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.