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Finding the Fourth Proportional to 61,855.88, 85,361.10 and 34,997.84

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Solution

The fourth proportional to 61,855.88, 85,361.10 and 34,997.84 is: 48,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,855.88 : 85,361.10 = 34,997.84 : x
  2. Step 2: Convert to fraction form
    61,855.88/85,361.10 = 34,997.84/x
  3. Step 3: Cross multiply
    61,855.88x = 85,361.10 × 34,997.84
  4. Step 4: Simplify right side
    61,855.88x = 2,987,454,120.02
  5. Step 5: Solve for x
    x = 2,987,454,120.02/61,855.88
  6. Step 6: Final answer
    x = 48,297.01

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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.