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Finding the Fourth Proportional to 7,403.00, 11,099.30 and 3,449.97

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Solution

The fourth proportional to 7,403.00, 11,099.30 and 3,449.97 is: 5,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.00 : 11,099.30 = 3,449.97 : x
  2. Step 2: Convert to fraction form
    7,403.00/11,099.30 = 3,449.97/x
  3. Step 3: Cross multiply
    7,403.00x = 11,099.30 × 3,449.97
  4. Step 4: Simplify right side
    7,403.00x = 38,292,234.77
  5. Step 5: Solve for x
    x = 38,292,234.77/7,403.00
  6. Step 6: Final answer
    x = 5,172.53

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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.