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Finding the Fourth Proportional to 1,958.92, 2,696.72 and 1,516.68

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Solution

The fourth proportional to 1,958.92, 2,696.72 and 1,516.68 is: 2,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.92 : 2,696.72 = 1,516.68 : x
  2. Step 2: Convert to fraction form
    1,958.92/2,696.72 = 1,516.68/x
  3. Step 3: Cross multiply
    1,958.92x = 2,696.72 × 1,516.68
  4. Step 4: Simplify right side
    1,958.92x = 4,090,061.29
  5. Step 5: Solve for x
    x = 4,090,061.29/1,958.92
  6. Step 6: Final answer
    x = 2,087.92

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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.