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Finding the Fourth Proportional to 2,443.32, 3,372.12 and 1,696.86

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Solution

The fourth proportional to 2,443.32, 3,372.12 and 1,696.86 is: 2,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.32 : 3,372.12 = 1,696.86 : x
  2. Step 2: Convert to fraction form
    2,443.32/3,372.12 = 1,696.86/x
  3. Step 3: Cross multiply
    2,443.32x = 3,372.12 × 1,696.86
  4. Step 4: Simplify right side
    2,443.32x = 5,722,015.54
  5. Step 5: Solve for x
    x = 5,722,015.54/2,443.32
  6. Step 6: Final answer
    x = 2,341.90

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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.