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Finding the Fourth Proportional to 8,302.65, 12,450.87 and 2,754.96

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Solution

The fourth proportional to 8,302.65, 12,450.87 and 2,754.96 is: 4,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.65 : 12,450.87 = 2,754.96 : x
  2. Step 2: Convert to fraction form
    8,302.65/12,450.87 = 2,754.96/x
  3. Step 3: Cross multiply
    8,302.65x = 12,450.87 × 2,754.96
  4. Step 4: Simplify right side
    8,302.65x = 34,301,648.82
  5. Step 5: Solve for x
    x = 34,301,648.82/8,302.65
  6. Step 6: Final answer
    x = 4,131.41

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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.