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Finding the Fourth Proportional to 64,338.62, 96,489.44 and 22,207.76

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Solution

The fourth proportional to 64,338.62, 96,489.44 and 22,207.76 is: 33,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,338.62 : 96,489.44 = 22,207.76 : x
  2. Step 2: Convert to fraction form
    64,338.62/96,489.44 = 22,207.76/x
  3. Step 3: Cross multiply
    64,338.62x = 96,489.44 × 22,207.76
  4. Step 4: Simplify right side
    64,338.62x = 2,142,814,326.05
  5. Step 5: Solve for x
    x = 2,142,814,326.05/64,338.62
  6. Step 6: Final answer
    x = 33,305.26

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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.