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Finding the Fourth Proportional to 61,926.94, 85,466.46 and 36,776.44

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Solution

The fourth proportional to 61,926.94, 85,466.46 and 36,776.44 is: 50,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,926.94 : 85,466.46 = 36,776.44 : x
  2. Step 2: Convert to fraction form
    61,926.94/85,466.46 = 36,776.44/x
  3. Step 3: Cross multiply
    61,926.94x = 85,466.46 × 36,776.44
  4. Step 4: Simplify right side
    61,926.94x = 3,143,152,138.20
  5. Step 5: Solve for x
    x = 3,143,152,138.20/61,926.94
  6. Step 6: Final answer
    x = 50,755.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.