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Finding the Fourth Proportional to 1,135.16, 1,706.14 and 941.44

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Solution

The fourth proportional to 1,135.16, 1,706.14 and 941.44 is: 1,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.16 : 1,706.14 = 941.44 : x
  2. Step 2: Convert to fraction form
    1,135.16/1,706.14 = 941.44/x
  3. Step 3: Cross multiply
    1,135.16x = 1,706.14 × 941.44
  4. Step 4: Simplify right side
    1,135.16x = 1,606,217.56
  5. Step 5: Solve for x
    x = 1,606,217.56/1,135.16
  6. Step 6: Final answer
    x = 1,414.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.