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Finding the Fourth Proportional to 3,363.94, 5,045.94 and 1,172.68

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Solution

The fourth proportional to 3,363.94, 5,045.94 and 1,172.68 is: 1,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.94 : 5,045.94 = 1,172.68 : x
  2. Step 2: Convert to fraction form
    3,363.94/5,045.94 = 1,172.68/x
  3. Step 3: Cross multiply
    3,363.94x = 5,045.94 × 1,172.68
  4. Step 4: Simplify right side
    3,363.94x = 5,917,272.92
  5. Step 5: Solve for x
    x = 5,917,272.92/3,363.94
  6. Step 6: Final answer
    x = 1,759.03

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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.