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Finding the Fourth Proportional to 61,797.44, 85,285.24 and 34,940.50

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Solution

The fourth proportional to 61,797.44, 85,285.24 and 34,940.50 is: 48,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,797.44 : 85,285.24 = 34,940.50 : x
  2. Step 2: Convert to fraction form
    61,797.44/85,285.24 = 34,940.50/x
  3. Step 3: Cross multiply
    61,797.44x = 85,285.24 × 34,940.50
  4. Step 4: Simplify right side
    61,797.44x = 2,979,908,928.22
  5. Step 5: Solve for x
    x = 2,979,908,928.22/61,797.44
  6. Step 6: Final answer
    x = 48,220.59

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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.