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Finding the Fourth Proportional to 1,371.41, 1,888.74 and 1,184.84

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Solution

The fourth proportional to 1,371.41, 1,888.74 and 1,184.84 is: 1,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.41 : 1,888.74 = 1,184.84 : x
  2. Step 2: Convert to fraction form
    1,371.41/1,888.74 = 1,184.84/x
  3. Step 3: Cross multiply
    1,371.41x = 1,888.74 × 1,184.84
  4. Step 4: Simplify right side
    1,371.41x = 2,237,845.26
  5. Step 5: Solve for x
    x = 2,237,845.26/1,371.41
  6. Step 6: Final answer
    x = 1,631.79

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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.