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Finding the Fourth Proportional to 64,452.80, 96,656.09 and 22,321.57

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Solution

The fourth proportional to 64,452.80, 96,656.09 and 22,321.57 is: 33,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,452.80 : 96,656.09 = 22,321.57 : x
  2. Step 2: Convert to fraction form
    64,452.80/96,656.09 = 22,321.57/x
  3. Step 3: Cross multiply
    64,452.80x = 96,656.09 × 22,321.57
  4. Step 4: Simplify right side
    64,452.80x = 2,157,515,083.97
  5. Step 5: Solve for x
    x = 2,157,515,083.97/64,452.80
  6. Step 6: Final answer
    x = 33,474.34

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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.