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Finding the Fourth Proportional to 7,396.61, 11,096.64 and 2,716.61

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Solution

The fourth proportional to 7,396.61, 11,096.64 and 2,716.61 is: 4,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.61 : 11,096.64 = 2,716.61 : x
  2. Step 2: Convert to fraction form
    7,396.61/11,096.64 = 2,716.61/x
  3. Step 3: Cross multiply
    7,396.61x = 11,096.64 × 2,716.61
  4. Step 4: Simplify right side
    7,396.61x = 30,145,187.71
  5. Step 5: Solve for x
    x = 30,145,187.71/7,396.61
  6. Step 6: Final answer
    x = 4,075.54

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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.