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Finding the Fourth Proportional to 1,893.11, 2,613.17 and 1,096.79

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Solution

The fourth proportional to 1,893.11, 2,613.17 and 1,096.79 is: 1,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.11 : 2,613.17 = 1,096.79 : x
  2. Step 2: Convert to fraction form
    1,893.11/2,613.17 = 1,096.79/x
  3. Step 3: Cross multiply
    1,893.11x = 2,613.17 × 1,096.79
  4. Step 4: Simplify right side
    1,893.11x = 2,866,093.24
  5. Step 5: Solve for x
    x = 2,866,093.24/1,893.11
  6. Step 6: Final answer
    x = 1,513.96

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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.