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Finding the Fourth Proportional to 64,128.63, 96,183.91 and 22,007.97

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Solution

The fourth proportional to 64,128.63, 96,183.91 and 22,007.97 is: 33,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,128.63 : 96,183.91 = 22,007.97 : x
  2. Step 2: Convert to fraction form
    64,128.63/96,183.91 = 22,007.97/x
  3. Step 3: Cross multiply
    64,128.63x = 96,183.91 × 22,007.97
  4. Step 4: Simplify right side
    64,128.63x = 2,116,812,509.48
  5. Step 5: Solve for x
    x = 2,116,812,509.48/64,128.63
  6. Step 6: Final answer
    x = 33,008.85

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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.