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Finding the Fourth Proportional to 26,469.50, 39,695.81 and 8,696.03

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Solution

The fourth proportional to 26,469.50, 39,695.81 and 8,696.03 is: 13,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.50 : 39,695.81 = 8,696.03 : x
  2. Step 2: Convert to fraction form
    26,469.50/39,695.81 = 8,696.03/x
  3. Step 3: Cross multiply
    26,469.50x = 39,695.81 × 8,696.03
  4. Step 4: Simplify right side
    26,469.50x = 345,195,987.24
  5. Step 5: Solve for x
    x = 345,195,987.24/26,469.50
  6. Step 6: Final answer
    x = 13,041.28

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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.