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Finding the Fourth Proportional to 55,889.80, 83,833.46 and 26,291.22

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Solution

The fourth proportional to 55,889.80, 83,833.46 and 26,291.22 is: 39,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,889.80 : 83,833.46 = 26,291.22 : x
  2. Step 2: Convert to fraction form
    55,889.80/83,833.46 = 26,291.22/x
  3. Step 3: Cross multiply
    55,889.80x = 83,833.46 × 26,291.22
  4. Step 4: Simplify right side
    55,889.80x = 2,204,083,940.22
  5. Step 5: Solve for x
    x = 2,204,083,940.22/55,889.80
  6. Step 6: Final answer
    x = 39,436.25

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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.