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Finding the Fourth Proportional to 3,322.68, 4,983.39 and 1,131.18

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Solution

The fourth proportional to 3,322.68, 4,983.39 and 1,131.18 is: 1,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.68 : 4,983.39 = 1,131.18 : x
  2. Step 2: Convert to fraction form
    3,322.68/4,983.39 = 1,131.18/x
  3. Step 3: Cross multiply
    3,322.68x = 4,983.39 × 1,131.18
  4. Step 4: Simplify right side
    3,322.68x = 5,637,111.10
  5. Step 5: Solve for x
    x = 5,637,111.10/3,322.68
  6. Step 6: Final answer
    x = 1,696.56

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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.