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Finding the Fourth Proportional to 64,046.52, 96,083.82 and 19,676.61

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Solution

The fourth proportional to 64,046.52, 96,083.82 and 19,676.61 is: 29,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,046.52 : 96,083.82 = 19,676.61 : x
  2. Step 2: Convert to fraction form
    64,046.52/96,083.82 = 19,676.61/x
  3. Step 3: Cross multiply
    64,046.52x = 96,083.82 × 19,676.61
  4. Step 4: Simplify right side
    64,046.52x = 1,890,603,853.45
  5. Step 5: Solve for x
    x = 1,890,603,853.45/64,046.52
  6. Step 6: Final answer
    x = 29,519.23

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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.