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Finding the Fourth Proportional to 8,369.14, 12,553.79 and 2,525.80

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Solution

The fourth proportional to 8,369.14, 12,553.79 and 2,525.80 is: 3,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.14 : 12,553.79 = 2,525.80 : x
  2. Step 2: Convert to fraction form
    8,369.14/12,553.79 = 2,525.80/x
  3. Step 3: Cross multiply
    8,369.14x = 12,553.79 × 2,525.80
  4. Step 4: Simplify right side
    8,369.14x = 31,708,362.78
  5. Step 5: Solve for x
    x = 31,708,362.78/8,369.14
  6. Step 6: Final answer
    x = 3,788.72

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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.