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Finding the Fourth Proportional to 52,995.72, 73,135.44 and 29,123

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Solution

The fourth proportional to 52,995.72, 73,135.44 and 29,123 is: 40,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,995.72 : 73,135.44 = 29,123 : x
  2. Step 2: Convert to fraction form
    52,995.72/73,135.44 = 29,123/x
  3. Step 3: Cross multiply
    52,995.72x = 73,135.44 × 29,123
  4. Step 4: Simplify right side
    52,995.72x = 2,129,923,419.12
  5. Step 5: Solve for x
    x = 2,129,923,419.12/52,995.72
  6. Step 6: Final answer
    x = 40,190.48

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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.