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Finding the Fourth Proportional to 45,060.52, 67,421.10 and 27,668.44

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Solution

The fourth proportional to 45,060.52, 67,421.10 and 27,668.44 is: 41,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,060.52 : 67,421.10 = 27,668.44 : x
  2. Step 2: Convert to fraction form
    45,060.52/67,421.10 = 27,668.44/x
  3. Step 3: Cross multiply
    45,060.52x = 67,421.10 × 27,668.44
  4. Step 4: Simplify right side
    45,060.52x = 1,865,436,660.08
  5. Step 5: Solve for x
    x = 1,865,436,660.08/45,060.52
  6. Step 6: Final answer
    x = 41,398.47

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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.