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Finding the Fourth Proportional to 60,481.69, 90,723.81 and 22,011.88

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Solution

The fourth proportional to 60,481.69, 90,723.81 and 22,011.88 is: 33,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,481.69 : 90,723.81 = 22,011.88 : x
  2. Step 2: Convert to fraction form
    60,481.69/90,723.81 = 22,011.88/x
  3. Step 3: Cross multiply
    60,481.69x = 90,723.81 × 22,011.88
  4. Step 4: Simplify right side
    60,481.69x = 1,997,001,618.86
  5. Step 5: Solve for x
    x = 1,997,001,618.86/60,481.69
  6. Step 6: Final answer
    x = 33,018.28

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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.