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Finding the Fourth Proportional to 26,683.25, 40,020.01 and 11,889.41

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Solution

The fourth proportional to 26,683.25, 40,020.01 and 11,889.41 is: 17,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,683.25 : 40,020.01 = 11,889.41 : x
  2. Step 2: Convert to fraction form
    26,683.25/40,020.01 = 11,889.41/x
  3. Step 3: Cross multiply
    26,683.25x = 40,020.01 × 11,889.41
  4. Step 4: Simplify right side
    26,683.25x = 475,814,077.27
  5. Step 5: Solve for x
    x = 475,814,077.27/26,683.25
  6. Step 6: Final answer
    x = 17,831.94

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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.