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Finding the Fourth Proportional to 8,756.75, 13,137.30 and 2,600.75

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Solution

The fourth proportional to 8,756.75, 13,137.30 and 2,600.75 is: 3,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.75 : 13,137.30 = 2,600.75 : x
  2. Step 2: Convert to fraction form
    8,756.75/13,137.30 = 2,600.75/x
  3. Step 3: Cross multiply
    8,756.75x = 13,137.30 × 2,600.75
  4. Step 4: Simplify right side
    8,756.75x = 34,166,832.98
  5. Step 5: Solve for x
    x = 34,166,832.98/8,756.75
  6. Step 6: Final answer
    x = 3,901.77

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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.