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Finding the Fourth Proportional to 26,480.70, 39,721.02 and 6,759.26

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Solution

The fourth proportional to 26,480.70, 39,721.02 and 6,759.26 is: 10,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480.70 : 39,721.02 = 6,759.26 : x
  2. Step 2: Convert to fraction form
    26,480.70/39,721.02 = 6,759.26/x
  3. Step 3: Cross multiply
    26,480.70x = 39,721.02 × 6,759.26
  4. Step 4: Simplify right side
    26,480.70x = 268,484,701.65
  5. Step 5: Solve for x
    x = 268,484,701.65/26,480.70
  6. Step 6: Final answer
    x = 10,138.88

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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.