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Finding the Fourth Proportional to 66,548.30, 99,850.80 and 34,982.60

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Solution

The fourth proportional to 66,548.30, 99,850.80 and 34,982.60 is: 52,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.30 : 99,850.80 = 34,982.60 : x
  2. Step 2: Convert to fraction form
    66,548.30/99,850.80 = 34,982.60/x
  3. Step 3: Cross multiply
    66,548.30x = 99,850.80 × 34,982.60
  4. Step 4: Simplify right side
    66,548.30x = 3,493,040,596.08
  5. Step 5: Solve for x
    x = 3,493,040,596.08/66,548.30
  6. Step 6: Final answer
    x = 52,488.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.