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Finding the Fourth Proportional to 64,578.31, 96,861.96 and 22,447.58

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Solution

The fourth proportional to 64,578.31, 96,861.96 and 22,447.58 is: 33,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,578.31 : 96,861.96 = 22,447.58 : x
  2. Step 2: Convert to fraction form
    64,578.31/96,861.96 = 22,447.58/x
  3. Step 3: Cross multiply
    64,578.31x = 96,861.96 × 22,447.58
  4. Step 4: Simplify right side
    64,578.31x = 2,174,316,596.06
  5. Step 5: Solve for x
    x = 2,174,316,596.06/64,578.31
  6. Step 6: Final answer
    x = 33,669.46

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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.