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Finding the Fourth Proportional to 1,619.01, 2,233.44 and 955.71

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Solution

The fourth proportional to 1,619.01, 2,233.44 and 955.71 is: 1,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.01 : 2,233.44 = 955.71 : x
  2. Step 2: Convert to fraction form
    1,619.01/2,233.44 = 955.71/x
  3. Step 3: Cross multiply
    1,619.01x = 2,233.44 × 955.71
  4. Step 4: Simplify right side
    1,619.01x = 2,134,520.94
  5. Step 5: Solve for x
    x = 2,134,520.94/1,619.01
  6. Step 6: Final answer
    x = 1,318.41

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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.