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Finding the Fourth Proportional to 8,758.96, 13,138.41 and 2,602.96

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Solution

The fourth proportional to 8,758.96, 13,138.41 and 2,602.96 is: 3,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.96 : 13,138.41 = 2,602.96 : x
  2. Step 2: Convert to fraction form
    8,758.96/13,138.41 = 2,602.96/x
  3. Step 3: Cross multiply
    8,758.96x = 13,138.41 × 2,602.96
  4. Step 4: Simplify right side
    8,758.96x = 34,198,755.69
  5. Step 5: Solve for x
    x = 34,198,755.69/8,758.96
  6. Step 6: Final answer
    x = 3,904.43

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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.