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Finding the Fourth Proportional to 1,968.54, 2,716.59 and 1,182.59

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Solution

The fourth proportional to 1,968.54, 2,716.59 and 1,182.59 is: 1,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.54 : 2,716.59 = 1,182.59 : x
  2. Step 2: Convert to fraction form
    1,968.54/2,716.59 = 1,182.59/x
  3. Step 3: Cross multiply
    1,968.54x = 2,716.59 × 1,182.59
  4. Step 4: Simplify right side
    1,968.54x = 3,212,612.17
  5. Step 5: Solve for x
    x = 3,212,612.17/1,968.54
  6. Step 6: Final answer
    x = 1,631.98

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