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Finding the Fourth Proportional to 3,474.56, 5,211.91 and 1,624.66

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Solution

The fourth proportional to 3,474.56, 5,211.91 and 1,624.66 is: 2,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.56 : 5,211.91 = 1,624.66 : x
  2. Step 2: Convert to fraction form
    3,474.56/5,211.91 = 1,624.66/x
  3. Step 3: Cross multiply
    3,474.56x = 5,211.91 × 1,624.66
  4. Step 4: Simplify right side
    3,474.56x = 8,467,570.70
  5. Step 5: Solve for x
    x = 8,467,570.70/3,474.56
  6. Step 6: Final answer
    x = 2,437.02

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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.