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Finding the Fourth Proportional to 1,441.27, 1,988.41 and 944.19

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Solution

The fourth proportional to 1,441.27, 1,988.41 and 944.19 is: 1,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.27 : 1,988.41 = 944.19 : x
  2. Step 2: Convert to fraction form
    1,441.27/1,988.41 = 944.19/x
  3. Step 3: Cross multiply
    1,441.27x = 1,988.41 × 944.19
  4. Step 4: Simplify right side
    1,441.27x = 1,877,436.84
  5. Step 5: Solve for x
    x = 1,877,436.84/1,441.27
  6. Step 6: Final answer
    x = 1,302.63

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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.