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Finding the Fourth Proportional to 58,344, 87,530.64 and 16,791

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Solution

The fourth proportional to 58,344, 87,530.64 and 16,791 is: 25,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,344 : 87,530.64 = 16,791 : x
  2. Step 2: Convert to fraction form
    58,344/87,530.64 = 16,791/x
  3. Step 3: Cross multiply
    58,344x = 87,530.64 × 16,791
  4. Step 4: Simplify right side
    58,344x = 1,469,726,976.24
  5. Step 5: Solve for x
    x = 1,469,726,976.24/58,344
  6. Step 6: Final answer
    x = 25,190.71

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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.