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Finding the Fourth Proportional to 7,371.23, 11,048.13 and 7,289.01

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Solution

The fourth proportional to 7,371.23, 11,048.13 and 7,289.01 is: 10,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.23 : 11,048.13 = 7,289.01 : x
  2. Step 2: Convert to fraction form
    7,371.23/11,048.13 = 7,289.01/x
  3. Step 3: Cross multiply
    7,371.23x = 11,048.13 × 7,289.01
  4. Step 4: Simplify right side
    7,371.23x = 80,529,930.05
  5. Step 5: Solve for x
    x = 80,529,930.05/7,371.23
  6. Step 6: Final answer
    x = 10,924.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.