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Finding the Fourth Proportional to 66,652.54, 100,003.77 and 34,611.64

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Solution

The fourth proportional to 66,652.54, 100,003.77 and 34,611.64 is: 51,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,652.54 : 100,003.77 = 34,611.64 : x
  2. Step 2: Convert to fraction form
    66,652.54/100,003.77 = 34,611.64/x
  3. Step 3: Cross multiply
    66,652.54x = 100,003.77 × 34,611.64
  4. Step 4: Simplify right side
    66,652.54x = 3,461,294,485.88
  5. Step 5: Solve for x
    x = 3,461,294,485.88/66,652.54
  6. Step 6: Final answer
    x = 51,930.42

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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.