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Finding the Fourth Proportional to 64,896, 89,556.44 and 36,601.62

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Solution

The fourth proportional to 64,896, 89,556.44 and 36,601.62 is: 50,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,896 : 89,556.44 = 36,601.62 : x
  2. Step 2: Convert to fraction form
    64,896/89,556.44 = 36,601.62/x
  3. Step 3: Cross multiply
    64,896x = 89,556.44 × 36,601.62
  4. Step 4: Simplify right side
    64,896x = 3,277,910,785.43
  5. Step 5: Solve for x
    x = 3,277,910,785.43/64,896
  6. Step 6: Final answer
    x = 50,510.21

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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.