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Finding the Fourth Proportional to 64,344.65, 96,512.31 and 21,650.36

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Solution

The fourth proportional to 64,344.65, 96,512.31 and 21,650.36 is: 32,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,344.65 : 96,512.31 = 21,650.36 : x
  2. Step 2: Convert to fraction form
    64,344.65/96,512.31 = 21,650.36/x
  3. Step 3: Cross multiply
    64,344.65x = 96,512.31 × 21,650.36
  4. Step 4: Simplify right side
    64,344.65x = 2,089,525,773.37
  5. Step 5: Solve for x
    x = 2,089,525,773.37/64,344.65
  6. Step 6: Final answer
    x = 32,473.97

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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.