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Finding the Fourth Proportional to 61,462.82, 92,201.36 and 21,469.42

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Solution

The fourth proportional to 61,462.82, 92,201.36 and 21,469.42 is: 32,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,462.82 : 92,201.36 = 21,469.42 : x
  2. Step 2: Convert to fraction form
    61,462.82/92,201.36 = 21,469.42/x
  3. Step 3: Cross multiply
    61,462.82x = 92,201.36 × 21,469.42
  4. Step 4: Simplify right side
    61,462.82x = 1,979,509,722.41
  5. Step 5: Solve for x
    x = 1,979,509,722.41/61,462.82
  6. Step 6: Final answer
    x = 32,206.62

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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.