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Finding the Fourth Proportional to 1,892.44, 2,840.28 and 1,447.84

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Solution

The fourth proportional to 1,892.44, 2,840.28 and 1,447.84 is: 2,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.44 : 2,840.28 = 1,447.84 : x
  2. Step 2: Convert to fraction form
    1,892.44/2,840.28 = 1,447.84/x
  3. Step 3: Cross multiply
    1,892.44x = 2,840.28 × 1,447.84
  4. Step 4: Simplify right side
    1,892.44x = 4,112,271.00
  5. Step 5: Solve for x
    x = 4,112,271.00/1,892.44
  6. Step 6: Final answer
    x = 2,173.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.