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Finding the Fourth Proportional to 61,684.38, 92,512.73 and 28,372.44

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Solution

The fourth proportional to 61,684.38, 92,512.73 and 28,372.44 is: 42,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,684.38 : 92,512.73 = 28,372.44 : x
  2. Step 2: Convert to fraction form
    61,684.38/92,512.73 = 28,372.44/x
  3. Step 3: Cross multiply
    61,684.38x = 92,512.73 × 28,372.44
  4. Step 4: Simplify right side
    61,684.38x = 2,624,811,739.30
  5. Step 5: Solve for x
    x = 2,624,811,739.30/61,684.38
  6. Step 6: Final answer
    x = 42,552.29

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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.