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Finding the Fourth Proportional to 1,344.69, 2,012.70 and 967.56

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Solution

The fourth proportional to 1,344.69, 2,012.70 and 967.56 is: 1,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.69 : 2,012.70 = 967.56 : x
  2. Step 2: Convert to fraction form
    1,344.69/2,012.70 = 967.56/x
  3. Step 3: Cross multiply
    1,344.69x = 2,012.70 × 967.56
  4. Step 4: Simplify right side
    1,344.69x = 1,947,408.01
  5. Step 5: Solve for x
    x = 1,947,408.01/1,344.69
  6. Step 6: Final answer
    x = 1,448.22

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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.