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Finding the Fourth Proportional to 1,451.41, 2,003.27 and 892.35

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Solution

The fourth proportional to 1,451.41, 2,003.27 and 892.35 is: 1,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.41 : 2,003.27 = 892.35 : x
  2. Step 2: Convert to fraction form
    1,451.41/2,003.27 = 892.35/x
  3. Step 3: Cross multiply
    1,451.41x = 2,003.27 × 892.35
  4. Step 4: Simplify right side
    1,451.41x = 1,787,618.53
  5. Step 5: Solve for x
    x = 1,787,618.53/1,451.41
  6. Step 6: Final answer
    x = 1,231.64

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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.