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Finding the Fourth Proportional to 58,379.73, 87,593.89 and 28,797.92

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Solution

The fourth proportional to 58,379.73, 87,593.89 and 28,797.92 is: 43,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,379.73 : 87,593.89 = 28,797.92 : x
  2. Step 2: Convert to fraction form
    58,379.73/87,593.89 = 28,797.92/x
  3. Step 3: Cross multiply
    58,379.73x = 87,593.89 × 28,797.92
  4. Step 4: Simplify right side
    58,379.73x = 2,522,521,836.71
  5. Step 5: Solve for x
    x = 2,522,521,836.71/58,379.73
  6. Step 6: Final answer
    x = 43,208.86

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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.