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Finding the Fourth Proportional to 61,797.37, 85,284.74 and 34,940.14

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Solution

The fourth proportional to 61,797.37, 85,284.74 and 34,940.14 is: 48,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,797.37 : 85,284.74 = 34,940.14 : x
  2. Step 2: Convert to fraction form
    61,797.37/85,284.74 = 34,940.14/x
  3. Step 3: Cross multiply
    61,797.37x = 85,284.74 × 34,940.14
  4. Step 4: Simplify right side
    61,797.37x = 2,979,860,755.46
  5. Step 5: Solve for x
    x = 2,979,860,755.46/61,797.37
  6. Step 6: Final answer
    x = 48,219.86

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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.