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Finding the Fourth Proportional to 64,930.52, 97,321.95 and 27,467.21

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Solution

The fourth proportional to 64,930.52, 97,321.95 and 27,467.21 is: 41,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,930.52 : 97,321.95 = 27,467.21 : x
  2. Step 2: Convert to fraction form
    64,930.52/97,321.95 = 27,467.21/x
  3. Step 3: Cross multiply
    64,930.52x = 97,321.95 × 27,467.21
  4. Step 4: Simplify right side
    64,930.52x = 2,673,161,951.65
  5. Step 5: Solve for x
    x = 2,673,161,951.65/64,930.52
  6. Step 6: Final answer
    x = 41,169.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.