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Finding the Fourth Proportional to 2,241.75, 3,362.63 and 702.75

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Solution

The fourth proportional to 2,241.75, 3,362.63 and 702.75 is: 1,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.75 : 3,362.63 = 702.75 : x
  2. Step 2: Convert to fraction form
    2,241.75/3,362.63 = 702.75/x
  3. Step 3: Cross multiply
    2,241.75x = 3,362.63 × 702.75
  4. Step 4: Simplify right side
    2,241.75x = 2,363,084.72
  5. Step 5: Solve for x
    x = 2,363,084.72/2,241.75
  6. Step 6: Final answer
    x = 1,054.13

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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.