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Finding the Fourth Proportional to 1,892.92, 2,610.88 and 1,185.14

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Solution

The fourth proportional to 1,892.92, 2,610.88 and 1,185.14 is: 1,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.92 : 2,610.88 = 1,185.14 : x
  2. Step 2: Convert to fraction form
    1,892.92/2,610.88 = 1,185.14/x
  3. Step 3: Cross multiply
    1,892.92x = 2,610.88 × 1,185.14
  4. Step 4: Simplify right side
    1,892.92x = 3,094,258.32
  5. Step 5: Solve for x
    x = 3,094,258.32/1,892.92
  6. Step 6: Final answer
    x = 1,634.65

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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.