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Finding the Fourth Proportional to 60,698.31, 91,058.22 and 18,577.45

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Solution

The fourth proportional to 60,698.31, 91,058.22 and 18,577.45 is: 27,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,698.31 : 91,058.22 = 18,577.45 : x
  2. Step 2: Convert to fraction form
    60,698.31/91,058.22 = 18,577.45/x
  3. Step 3: Cross multiply
    60,698.31x = 91,058.22 × 18,577.45
  4. Step 4: Simplify right side
    60,698.31x = 1,691,629,976.79
  5. Step 5: Solve for x
    x = 1,691,629,976.79/60,698.31
  6. Step 6: Final answer
    x = 27,869.48

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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.