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Finding the Fourth Proportional to 64,564.83, 96,791.77 and 22,439.44

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Solution

The fourth proportional to 64,564.83, 96,791.77 and 22,439.44 is: 33,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,564.83 : 96,791.77 = 22,439.44 : x
  2. Step 2: Convert to fraction form
    64,564.83/96,791.77 = 22,439.44/x
  3. Step 3: Cross multiply
    64,564.83x = 96,791.77 × 22,439.44
  4. Step 4: Simplify right side
    64,564.83x = 2,171,952,631.45
  5. Step 5: Solve for x
    x = 2,171,952,631.45/64,564.83
  6. Step 6: Final answer
    x = 33,639.87

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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.