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Finding the Fourth Proportional to 59,393.90, 81,943.09 and 33,881.86

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Solution

The fourth proportional to 59,393.90, 81,943.09 and 33,881.86 is: 46,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,393.90 : 81,943.09 = 33,881.86 : x
  2. Step 2: Convert to fraction form
    59,393.90/81,943.09 = 33,881.86/x
  3. Step 3: Cross multiply
    59,393.90x = 81,943.09 × 33,881.86
  4. Step 4: Simplify right side
    59,393.90x = 2,776,384,511.66
  5. Step 5: Solve for x
    x = 2,776,384,511.66/59,393.90
  6. Step 6: Final answer
    x = 46,745.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.