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Finding the Fourth Proportional to 2,443.68, 3,375.52 and 1,696.32

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Solution

The fourth proportional to 2,443.68, 3,375.52 and 1,696.32 is: 2,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.68 : 3,375.52 = 1,696.32 : x
  2. Step 2: Convert to fraction form
    2,443.68/3,375.52 = 1,696.32/x
  3. Step 3: Cross multiply
    2,443.68x = 3,375.52 × 1,696.32
  4. Step 4: Simplify right side
    2,443.68x = 5,725,962.09
  5. Step 5: Solve for x
    x = 5,725,962.09/2,443.68
  6. Step 6: Final answer
    x = 2,343.17

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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.