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Finding the Fourth Proportional to 61,930.44, 85,464.02 and 35,072.94

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Solution

The fourth proportional to 61,930.44, 85,464.02 and 35,072.94 is: 48,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930.44 : 85,464.02 = 35,072.94 : x
  2. Step 2: Convert to fraction form
    61,930.44/85,464.02 = 35,072.94/x
  3. Step 3: Cross multiply
    61,930.44x = 85,464.02 × 35,072.94
  4. Step 4: Simplify right side
    61,930.44x = 2,997,474,445.62
  5. Step 5: Solve for x
    x = 2,997,474,445.62/61,930.44
  6. Step 6: Final answer
    x = 48,400.66

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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.