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Finding the Fourth Proportional to 4,813.50, 7,220.28 and 1,735.50

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Solution

The fourth proportional to 4,813.50, 7,220.28 and 1,735.50 is: 2,603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.50 : 7,220.28 = 1,735.50 : x
  2. Step 2: Convert to fraction form
    4,813.50/7,220.28 = 1,735.50/x
  3. Step 3: Cross multiply
    4,813.50x = 7,220.28 × 1,735.50
  4. Step 4: Simplify right side
    4,813.50x = 12,530,795.94
  5. Step 5: Solve for x
    x = 12,530,795.94/4,813.50
  6. Step 6: Final answer
    x = 2,603.26

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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.