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Finding the Fourth Proportional to 4,252.54, 6,376.04 and 1,479

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Solution

The fourth proportional to 4,252.54, 6,376.04 and 1,479 is: 2,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.54 : 6,376.04 = 1,479 : x
  2. Step 2: Convert to fraction form
    4,252.54/6,376.04 = 1,479/x
  3. Step 3: Cross multiply
    4,252.54x = 6,376.04 × 1,479
  4. Step 4: Simplify right side
    4,252.54x = 9,430,163.16
  5. Step 5: Solve for x
    x = 9,430,163.16/4,252.54
  6. Step 6: Final answer
    x = 2,217.54

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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.