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Finding the Fourth Proportional to 1,033.54, 1,550.99 and 965.19

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Solution

The fourth proportional to 1,033.54, 1,550.99 and 965.19 is: 1,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.54 : 1,550.99 = 965.19 : x
  2. Step 2: Convert to fraction form
    1,033.54/1,550.99 = 965.19/x
  3. Step 3: Cross multiply
    1,033.54x = 1,550.99 × 965.19
  4. Step 4: Simplify right side
    1,033.54x = 1,497,000.04
  5. Step 5: Solve for x
    x = 1,497,000.04/1,033.54
  6. Step 6: Final answer
    x = 1,448.42

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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.