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Finding the Fourth Proportional to 64,662.14, 89,232.80 and 36,367.82

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Solution

The fourth proportional to 64,662.14, 89,232.80 and 36,367.82 is: 50,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,662.14 : 89,232.80 = 36,367.82 : x
  2. Step 2: Convert to fraction form
    64,662.14/89,232.80 = 36,367.82/x
  3. Step 3: Cross multiply
    64,662.14x = 89,232.80 × 36,367.82
  4. Step 4: Simplify right side
    64,662.14x = 3,245,202,408.50
  5. Step 5: Solve for x
    x = 3,245,202,408.50/64,662.14
  6. Step 6: Final answer
    x = 50,187.06

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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.