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Finding the Fourth Proportional to 7,393.56, 11,084.87 and 3,493.41

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Solution

The fourth proportional to 7,393.56, 11,084.87 and 3,493.41 is: 5,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.56 : 11,084.87 = 3,493.41 : x
  2. Step 2: Convert to fraction form
    7,393.56/11,084.87 = 3,493.41/x
  3. Step 3: Cross multiply
    7,393.56x = 11,084.87 × 3,493.41
  4. Step 4: Simplify right side
    7,393.56x = 38,723,943.22
  5. Step 5: Solve for x
    x = 38,723,943.22/7,393.56
  6. Step 6: Final answer
    x = 5,237.53

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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.