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Finding the Fourth Proportional to 63,339.69, 87,412.83 and 36,481.62

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Solution

The fourth proportional to 63,339.69, 87,412.83 and 36,481.62 is: 50,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,339.69 : 87,412.83 = 36,481.62 : x
  2. Step 2: Convert to fraction form
    63,339.69/87,412.83 = 36,481.62/x
  3. Step 3: Cross multiply
    63,339.69x = 87,412.83 × 36,481.62
  4. Step 4: Simplify right side
    63,339.69x = 3,188,961,647.18
  5. Step 5: Solve for x
    x = 3,188,961,647.18/63,339.69
  6. Step 6: Final answer
    x = 50,346.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.