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Finding the Fourth Proportional to 26,626.41, 39,941.73 and 8,856.41

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Solution

The fourth proportional to 26,626.41, 39,941.73 and 8,856.41 is: 13,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,626.41 : 39,941.73 = 8,856.41 : x
  2. Step 2: Convert to fraction form
    26,626.41/39,941.73 = 8,856.41/x
  3. Step 3: Cross multiply
    26,626.41x = 39,941.73 × 8,856.41
  4. Step 4: Simplify right side
    26,626.41x = 353,740,137.28
  5. Step 5: Solve for x
    x = 353,740,137.28/26,626.41
  6. Step 6: Final answer
    x = 13,285.31

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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.