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Finding the Fourth Proportional to 61,467.44, 92,286.09 and 42,447.47

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Solution

The fourth proportional to 61,467.44, 92,286.09 and 42,447.47 is: 63,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,467.44 : 92,286.09 = 42,447.47 : x
  2. Step 2: Convert to fraction form
    61,467.44/92,286.09 = 42,447.47/x
  3. Step 3: Cross multiply
    61,467.44x = 92,286.09 × 42,447.47
  4. Step 4: Simplify right side
    61,467.44x = 3,917,310,575.26
  5. Step 5: Solve for x
    x = 3,917,310,575.26/61,467.44
  6. Step 6: Final answer
    x = 63,729.85

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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.