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Finding the Fourth Proportional to 4,741.99, 7,105.20 and 3,348.57

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Solution

The fourth proportional to 4,741.99, 7,105.20 and 3,348.57 is: 5,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.99 : 7,105.20 = 3,348.57 : x
  2. Step 2: Convert to fraction form
    4,741.99/7,105.20 = 3,348.57/x
  3. Step 3: Cross multiply
    4,741.99x = 7,105.20 × 3,348.57
  4. Step 4: Simplify right side
    4,741.99x = 23,792,259.56
  5. Step 5: Solve for x
    x = 23,792,259.56/4,741.99
  6. Step 6: Final answer
    x = 5,017.36

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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.