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Finding the Fourth Proportional to 1,967.25, 2,951.38 and 734.67

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Solution

The fourth proportional to 1,967.25, 2,951.38 and 734.67 is: 1,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.25 : 2,951.38 = 734.67 : x
  2. Step 2: Convert to fraction form
    1,967.25/2,951.38 = 734.67/x
  3. Step 3: Cross multiply
    1,967.25x = 2,951.38 × 734.67
  4. Step 4: Simplify right side
    1,967.25x = 2,168,285.73
  5. Step 5: Solve for x
    x = 2,168,285.73/1,967.25
  6. Step 6: Final answer
    x = 1,102.19

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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.