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Finding the Fourth Proportional to 59,481.72, 89,212.44 and 19,499.91

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Solution

The fourth proportional to 59,481.72, 89,212.44 and 19,499.91 is: 29,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,481.72 : 89,212.44 = 19,499.91 : x
  2. Step 2: Convert to fraction form
    59,481.72/89,212.44 = 19,499.91/x
  3. Step 3: Cross multiply
    59,481.72x = 89,212.44 × 19,499.91
  4. Step 4: Simplify right side
    59,481.72x = 1,739,634,550.88
  5. Step 5: Solve for x
    x = 1,739,634,550.88/59,481.72
  6. Step 6: Final answer
    x = 29,246.54

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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.