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Finding the Fourth Proportional to 1,716.71, 2,574.23 and 1,196.96

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Solution

The fourth proportional to 1,716.71, 2,574.23 and 1,196.96 is: 1,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.71 : 2,574.23 = 1,196.96 : x
  2. Step 2: Convert to fraction form
    1,716.71/2,574.23 = 1,196.96/x
  3. Step 3: Cross multiply
    1,716.71x = 2,574.23 × 1,196.96
  4. Step 4: Simplify right side
    1,716.71x = 3,081,244.36
  5. Step 5: Solve for x
    x = 3,081,244.36/1,716.71
  6. Step 6: Final answer
    x = 1,794.85

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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.