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Finding the Fourth Proportional to 64,392.84, 96,589.26 and 20,022.39

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Solution

The fourth proportional to 64,392.84, 96,589.26 and 20,022.39 is: 30,033.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,392.84 : 96,589.26 = 20,022.39 : x
  2. Step 2: Convert to fraction form
    64,392.84/96,589.26 = 20,022.39/x
  3. Step 3: Cross multiply
    64,392.84x = 96,589.26 × 20,022.39
  4. Step 4: Simplify right side
    64,392.84x = 1,933,947,833.53
  5. Step 5: Solve for x
    x = 1,933,947,833.53/64,392.84
  6. Step 6: Final answer
    x = 30,033.59

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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.