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Finding the Fourth Proportional to 4,965.03, 7,440.12 and 3,321.27

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Solution

The fourth proportional to 4,965.03, 7,440.12 and 3,321.27 is: 4,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.03 : 7,440.12 = 3,321.27 : x
  2. Step 2: Convert to fraction form
    4,965.03/7,440.12 = 3,321.27/x
  3. Step 3: Cross multiply
    4,965.03x = 7,440.12 × 3,321.27
  4. Step 4: Simplify right side
    4,965.03x = 24,710,647.35
  5. Step 5: Solve for x
    x = 24,710,647.35/4,965.03
  6. Step 6: Final answer
    x = 4,976.94

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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.