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Finding the Fourth Proportional to 7,348.88, 11,020.44 and 3,242

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Solution

The fourth proportional to 7,348.88, 11,020.44 and 3,242 is: 4,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.88 : 11,020.44 = 3,242 : x
  2. Step 2: Convert to fraction form
    7,348.88/11,020.44 = 3,242/x
  3. Step 3: Cross multiply
    7,348.88x = 11,020.44 × 3,242
  4. Step 4: Simplify right side
    7,348.88x = 35,728,266.48
  5. Step 5: Solve for x
    x = 35,728,266.48/7,348.88
  6. Step 6: Final answer
    x = 4,861.73

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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.