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Finding the Fourth Proportional to 58,553.30, 87,754.74 and 30,469.46

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Solution

The fourth proportional to 58,553.30, 87,754.74 and 30,469.46 is: 45,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,553.30 : 87,754.74 = 30,469.46 : x
  2. Step 2: Convert to fraction form
    58,553.30/87,754.74 = 30,469.46/x
  3. Step 3: Cross multiply
    58,553.30x = 87,754.74 × 30,469.46
  4. Step 4: Simplify right side
    58,553.30x = 2,673,839,540.24
  5. Step 5: Solve for x
    x = 2,673,839,540.24/58,553.30
  6. Step 6: Final answer
    x = 45,665.05

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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.