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Finding the Fourth Proportional to 60,866.26, 84,018.84 and 54,481.56

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Solution

The fourth proportional to 60,866.26, 84,018.84 and 54,481.56 is: 75,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,866.26 : 84,018.84 = 54,481.56 : x
  2. Step 2: Convert to fraction form
    60,866.26/84,018.84 = 54,481.56/x
  3. Step 3: Cross multiply
    60,866.26x = 84,018.84 × 54,481.56
  4. Step 4: Simplify right side
    60,866.26x = 4,577,477,472.59
  5. Step 5: Solve for x
    x = 4,577,477,472.59/60,866.26
  6. Step 6: Final answer
    x = 75,205.50

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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.