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Finding the Fourth Proportional to 26,480.77, 39,721.11 and 6,759.33

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Solution

The fourth proportional to 26,480.77, 39,721.11 and 6,759.33 is: 10,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.77 : 39,721.11 = 6,759.33 : x
  2. Step 2: Convert to fraction form
    26,480.77/39,721.11 = 6,759.33/x
  3. Step 3: Cross multiply
    26,480.77x = 39,721.11 × 6,759.33
  4. Step 4: Simplify right side
    26,480.77x = 268,487,941.50
  5. Step 5: Solve for x
    x = 268,487,941.50/26,480.77
  6. Step 6: Final answer
    x = 10,138.98

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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.