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Finding the Fourth Proportional to 61,794.87, 85,276.02 and 34,936.48

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Solution

The fourth proportional to 61,794.87, 85,276.02 and 34,936.48 is: 48,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,794.87 : 85,276.02 = 34,936.48 : x
  2. Step 2: Convert to fraction form
    61,794.87/85,276.02 = 34,936.48/x
  3. Step 3: Cross multiply
    61,794.87x = 85,276.02 × 34,936.48
  4. Step 4: Simplify right side
    61,794.87x = 2,979,243,967.21
  5. Step 5: Solve for x
    x = 2,979,243,967.21/61,794.87
  6. Step 6: Final answer
    x = 48,211.83

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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.