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Finding the Fourth Proportional to 64,372.37, 88,828.97 and 36,072.59

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Solution

The fourth proportional to 64,372.37, 88,828.97 and 36,072.59 is: 49,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,372.37 : 88,828.97 = 36,072.59 : x
  2. Step 2: Convert to fraction form
    64,372.37/88,828.97 = 36,072.59/x
  3. Step 3: Cross multiply
    64,372.37x = 88,828.97 × 36,072.59
  4. Step 4: Simplify right side
    64,372.37x = 3,204,290,390.42
  5. Step 5: Solve for x
    x = 3,204,290,390.42/64,372.37
  6. Step 6: Final answer
    x = 49,777.42

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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.