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Finding the Fourth Proportional to 1,716.82, 2,369.26 and 960.66

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Solution

The fourth proportional to 1,716.82, 2,369.26 and 960.66 is: 1,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.82 : 2,369.26 = 960.66 : x
  2. Step 2: Convert to fraction form
    1,716.82/2,369.26 = 960.66/x
  3. Step 3: Cross multiply
    1,716.82x = 2,369.26 × 960.66
  4. Step 4: Simplify right side
    1,716.82x = 2,276,053.31
  5. Step 5: Solve for x
    x = 2,276,053.31/1,716.82
  6. Step 6: Final answer
    x = 1,325.74

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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.