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Finding the Fourth Proportional to 4,861.44, 7,274.88 and 3,559.68

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Solution

The fourth proportional to 4,861.44, 7,274.88 and 3,559.68 is: 5,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.44 : 7,274.88 = 3,559.68 : x
  2. Step 2: Convert to fraction form
    4,861.44/7,274.88 = 3,559.68/x
  3. Step 3: Cross multiply
    4,861.44x = 7,274.88 × 3,559.68
  4. Step 4: Simplify right side
    4,861.44x = 25,896,244.84
  5. Step 5: Solve for x
    x = 25,896,244.84/4,861.44
  6. Step 6: Final answer
    x = 5,326.87

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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.