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Finding the Fourth Proportional to 7,371.90, 11,027.48 and 6,723.09

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Solution

The fourth proportional to 7,371.90, 11,027.48 and 6,723.09 is: 10,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.90 : 11,027.48 = 6,723.09 : x
  2. Step 2: Convert to fraction form
    7,371.90/11,027.48 = 6,723.09/x
  3. Step 3: Cross multiply
    7,371.90x = 11,027.48 × 6,723.09
  4. Step 4: Simplify right side
    7,371.90x = 74,138,706.90
  5. Step 5: Solve for x
    x = 74,138,706.90/7,371.90
  6. Step 6: Final answer
    x = 10,056.93

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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.