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Finding the Fourth Proportional to 1,083.54, 1,626.03 and 467.85

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Solution

The fourth proportional to 1,083.54, 1,626.03 and 467.85 is: 702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.54 : 1,626.03 = 467.85 : x
  2. Step 2: Convert to fraction form
    1,083.54/1,626.03 = 467.85/x
  3. Step 3: Cross multiply
    1,083.54x = 1,626.03 × 467.85
  4. Step 4: Simplify right side
    1,083.54x = 760,738.14
  5. Step 5: Solve for x
    x = 760,738.14/1,083.54
  6. Step 6: Final answer
    x = 702.09

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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.