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Finding the Fourth Proportional to 58,198.83, 87,349.28 and 33,288.90

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Solution

The fourth proportional to 58,198.83, 87,349.28 and 33,288.90 is: 49,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,198.83 : 87,349.28 = 33,288.90 : x
  2. Step 2: Convert to fraction form
    58,198.83/87,349.28 = 33,288.90/x
  3. Step 3: Cross multiply
    58,198.83x = 87,349.28 × 33,288.90
  4. Step 4: Simplify right side
    58,198.83x = 2,907,761,446.99
  5. Step 5: Solve for x
    x = 2,907,761,446.99/58,198.83
  6. Step 6: Final answer
    x = 49,962.54

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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.