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Finding the Fourth Proportional to 1,550.33, 2,326 and 625.41

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Solution

The fourth proportional to 1,550.33, 2,326 and 625.41 is: 938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.33 : 2,326 = 625.41 : x
  2. Step 2: Convert to fraction form
    1,550.33/2,326 = 625.41/x
  3. Step 3: Cross multiply
    1,550.33x = 2,326 × 625.41
  4. Step 4: Simplify right side
    1,550.33x = 1,454,703.66
  5. Step 5: Solve for x
    x = 1,454,703.66/1,550.33
  6. Step 6: Final answer
    x = 938.32

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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.