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Finding the Fourth Proportional to 64,233.69, 96,351.24 and 28,696.82

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Solution

The fourth proportional to 64,233.69, 96,351.24 and 28,696.82 is: 43,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,233.69 : 96,351.24 = 28,696.82 : x
  2. Step 2: Convert to fraction form
    64,233.69/96,351.24 = 28,696.82/x
  3. Step 3: Cross multiply
    64,233.69x = 96,351.24 × 28,696.82
  4. Step 4: Simplify right side
    64,233.69x = 2,764,973,709.30
  5. Step 5: Solve for x
    x = 2,764,973,709.30/64,233.69
  6. Step 6: Final answer
    x = 43,045.54

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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.