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Finding the Fourth Proportional to 87,058.98, 130,584.81 and 27,893.34

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Solution

The fourth proportional to 87,058.98, 130,584.81 and 27,893.34 is: 41,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,058.98 : 130,584.81 = 27,893.34 : x
  2. Step 2: Convert to fraction form
    87,058.98/130,584.81 = 27,893.34/x
  3. Step 3: Cross multiply
    87,058.98x = 130,584.81 × 27,893.34
  4. Step 4: Simplify right side
    87,058.98x = 3,642,446,504.17
  5. Step 5: Solve for x
    x = 3,642,446,504.17/87,058.98
  6. Step 6: Final answer
    x = 41,838.84

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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.