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Finding the Fourth Proportional to 8,592.63, 12,882.65 and 2,745.87

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Solution

The fourth proportional to 8,592.63, 12,882.65 and 2,745.87 is: 4,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.63 : 12,882.65 = 2,745.87 : x
  2. Step 2: Convert to fraction form
    8,592.63/12,882.65 = 2,745.87/x
  3. Step 3: Cross multiply
    8,592.63x = 12,882.65 × 2,745.87
  4. Step 4: Simplify right side
    8,592.63x = 35,374,068.43
  5. Step 5: Solve for x
    x = 35,374,068.43/8,592.63
  6. Step 6: Final answer
    x = 4,116.79

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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.