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Finding the Fourth Proportional to 973.26, 1,352.43 and 963.27

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Solution

The fourth proportional to 973.26, 1,352.43 and 963.27 is: 1,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.26 : 1,352.43 = 963.27 : x
  2. Step 2: Convert to fraction form
    973.26/1,352.43 = 963.27/x
  3. Step 3: Cross multiply
    973.26x = 1,352.43 × 963.27
  4. Step 4: Simplify right side
    973.26x = 1,302,755.25
  5. Step 5: Solve for x
    x = 1,302,755.25/973.26
  6. Step 6: Final answer
    x = 1,338.55

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.