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Finding the Fourth Proportional to 64,480.44, 96,662.32 and 22,917.72

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Solution

The fourth proportional to 64,480.44, 96,662.32 and 22,917.72 is: 34,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,480.44 : 96,662.32 = 22,917.72 : x
  2. Step 2: Convert to fraction form
    64,480.44/96,662.32 = 22,917.72/x
  3. Step 3: Cross multiply
    64,480.44x = 96,662.32 × 22,917.72
  4. Step 4: Simplify right side
    64,480.44x = 2,215,279,984.31
  5. Step 5: Solve for x
    x = 2,215,279,984.31/64,480.44
  6. Step 6: Final answer
    x = 34,355.84

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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.