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Finding the Fourth Proportional to 3,350.76, 5,027.81 and 1,503.20

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Solution

The fourth proportional to 3,350.76, 5,027.81 and 1,503.20 is: 2,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.76 : 5,027.81 = 1,503.20 : x
  2. Step 2: Convert to fraction form
    3,350.76/5,027.81 = 1,503.20/x
  3. Step 3: Cross multiply
    3,350.76x = 5,027.81 × 1,503.20
  4. Step 4: Simplify right side
    3,350.76x = 7,557,771.34
  5. Step 5: Solve for x
    x = 7,557,771.34/3,350.76
  6. Step 6: Final answer
    x = 2,255.54

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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.