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Finding the Fourth Proportional to 52,965.88, 73,099.39 and 30,609.88

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Solution

The fourth proportional to 52,965.88, 73,099.39 and 30,609.88 is: 42,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,965.88 : 73,099.39 = 30,609.88 : x
  2. Step 2: Convert to fraction form
    52,965.88/73,099.39 = 30,609.88/x
  3. Step 3: Cross multiply
    52,965.88x = 73,099.39 × 30,609.88
  4. Step 4: Simplify right side
    52,965.88x = 2,237,563,190.48
  5. Step 5: Solve for x
    x = 2,237,563,190.48/52,965.88
  6. Step 6: Final answer
    x = 42,245.37

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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.