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Finding the Fourth Proportional to 1,893.80, 2,613.93 and 1,696.97

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Solution

The fourth proportional to 1,893.80, 2,613.93 and 1,696.97 is: 2,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.80 : 2,613.93 = 1,696.97 : x
  2. Step 2: Convert to fraction form
    1,893.80/2,613.93 = 1,696.97/x
  3. Step 3: Cross multiply
    1,893.80x = 2,613.93 × 1,696.97
  4. Step 4: Simplify right side
    1,893.80x = 4,435,760.79
  5. Step 5: Solve for x
    x = 4,435,760.79/1,893.80
  6. Step 6: Final answer
    x = 2,342.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.