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Finding the Fourth Proportional to 59,379.66, 89,073.81 and 19,936.44

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Solution

The fourth proportional to 59,379.66, 89,073.81 and 19,936.44 is: 29,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,379.66 : 89,073.81 = 19,936.44 : x
  2. Step 2: Convert to fraction form
    59,379.66/89,073.81 = 19,936.44/x
  3. Step 3: Cross multiply
    59,379.66x = 89,073.81 × 19,936.44
  4. Step 4: Simplify right side
    59,379.66x = 1,775,814,668.64
  5. Step 5: Solve for x
    x = 1,775,814,668.64/59,379.66
  6. Step 6: Final answer
    x = 29,906.11

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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.