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Finding the Fourth Proportional to 61,793.61, 85,283.24 and 34,936.10

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Solution

The fourth proportional to 61,793.61, 85,283.24 and 34,936.10 is: 48,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,793.61 : 85,283.24 = 34,936.10 : x
  2. Step 2: Convert to fraction form
    61,793.61/85,283.24 = 34,936.10/x
  3. Step 3: Cross multiply
    61,793.61x = 85,283.24 × 34,936.10
  4. Step 4: Simplify right side
    61,793.61x = 2,979,463,800.96
  5. Step 5: Solve for x
    x = 2,979,463,800.96/61,793.61
  6. Step 6: Final answer
    x = 48,216.37

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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.