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Finding the Fourth Proportional to 7,474.85, 10,240.59 and 7,194.59

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Solution

The fourth proportional to 7,474.85, 10,240.59 and 7,194.59 is: 9,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.85 : 10,240.59 = 7,194.59 : x
  2. Step 2: Convert to fraction form
    7,474.85/10,240.59 = 7,194.59/x
  3. Step 3: Cross multiply
    7,474.85x = 10,240.59 × 7,194.59
  4. Step 4: Simplify right side
    7,474.85x = 73,676,846.41
  5. Step 5: Solve for x
    x = 73,676,846.41/7,474.85
  6. Step 6: Final answer
    x = 9,856.63

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.