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Finding the Fourth Proportional to 59,997.36, 82,789.28 and 33,138.28

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Solution

The fourth proportional to 59,997.36, 82,789.28 and 33,138.28 is: 45,726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,997.36 : 82,789.28 = 33,138.28 : x
  2. Step 2: Convert to fraction form
    59,997.36/82,789.28 = 33,138.28/x
  3. Step 3: Cross multiply
    59,997.36x = 82,789.28 × 33,138.28
  4. Step 4: Simplify right side
    59,997.36x = 2,743,494,341.64
  5. Step 5: Solve for x
    x = 2,743,494,341.64/59,997.36
  6. Step 6: Final answer
    x = 45,726.92

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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.