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Finding the Fourth Proportional to 4,800.93, 7,202.37 and 2,721.86

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Solution

The fourth proportional to 4,800.93, 7,202.37 and 2,721.86 is: 4,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.93 : 7,202.37 = 2,721.86 : x
  2. Step 2: Convert to fraction form
    4,800.93/7,202.37 = 2,721.86/x
  3. Step 3: Cross multiply
    4,800.93x = 7,202.37 × 2,721.86
  4. Step 4: Simplify right side
    4,800.93x = 19,603,806.80
  5. Step 5: Solve for x
    x = 19,603,806.80/4,800.93
  6. Step 6: Final answer
    x = 4,083.34

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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.