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Finding the Fourth Proportional to 1,069.26, 1,600.44 and 968.22

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Solution

The fourth proportional to 1,069.26, 1,600.44 and 968.22 is: 1,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069.26 : 1,600.44 = 968.22 : x
  2. Step 2: Convert to fraction form
    1,069.26/1,600.44 = 968.22/x
  3. Step 3: Cross multiply
    1,069.26x = 1,600.44 × 968.22
  4. Step 4: Simplify right side
    1,069.26x = 1,549,578.02
  5. Step 5: Solve for x
    x = 1,549,578.02/1,069.26
  6. Step 6: Final answer
    x = 1,449.21

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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.