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Finding the Fourth Proportional to 7,369.01, 11,047.30 and 2,989.54

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Solution

The fourth proportional to 7,369.01, 11,047.30 and 2,989.54 is: 4,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.01 : 11,047.30 = 2,989.54 : x
  2. Step 2: Convert to fraction form
    7,369.01/11,047.30 = 2,989.54/x
  3. Step 3: Cross multiply
    7,369.01x = 11,047.30 × 2,989.54
  4. Step 4: Simplify right side
    7,369.01x = 33,026,351.58
  5. Step 5: Solve for x
    x = 33,026,351.58/7,369.01
  6. Step 6: Final answer
    x = 4,481.79

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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.