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Finding the Fourth Proportional to 64,954.56, 89,641.44 and 36,649.92

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Solution

The fourth proportional to 64,954.56, 89,641.44 and 36,649.92 is: 50,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,954.56 : 89,641.44 = 36,649.92 : x
  2. Step 2: Convert to fraction form
    64,954.56/89,641.44 = 36,649.92/x
  3. Step 3: Cross multiply
    64,954.56x = 89,641.44 × 36,649.92
  4. Step 4: Simplify right side
    64,954.56x = 3,285,351,604.68
  5. Step 5: Solve for x
    x = 3,285,351,604.68/64,954.56
  6. Step 6: Final answer
    x = 50,579.23

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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.