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Finding the Fourth Proportional to 64,844.74, 89,491.26 and 36,556.30

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Solution

The fourth proportional to 64,844.74, 89,491.26 and 36,556.30 is: 50,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,844.74 : 89,491.26 = 36,556.30 : x
  2. Step 2: Convert to fraction form
    64,844.74/89,491.26 = 36,556.30/x
  3. Step 3: Cross multiply
    64,844.74x = 89,491.26 × 36,556.30
  4. Step 4: Simplify right side
    64,844.74x = 3,271,469,347.94
  5. Step 5: Solve for x
    x = 3,271,469,347.94/64,844.74
  6. Step 6: Final answer
    x = 50,450.81

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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.