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Finding the Fourth Proportional to 45,287.82, 67,933.26 and 12,011.24

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Solution

The fourth proportional to 45,287.82, 67,933.26 and 12,011.24 is: 18,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,287.82 : 67,933.26 = 12,011.24 : x
  2. Step 2: Convert to fraction form
    45,287.82/67,933.26 = 12,011.24/x
  3. Step 3: Cross multiply
    45,287.82x = 67,933.26 × 12,011.24
  4. Step 4: Simplify right side
    45,287.82x = 815,962,911.66
  5. Step 5: Solve for x
    x = 815,962,911.66/45,287.82
  6. Step 6: Final answer
    x = 18,017.27

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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.