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Finding the Fourth Proportional to 45,273.30, 67,866.21 and 15,668.88

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Solution

The fourth proportional to 45,273.30, 67,866.21 and 15,668.88 is: 23,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,273.30 : 67,866.21 = 15,668.88 : x
  2. Step 2: Convert to fraction form
    45,273.30/67,866.21 = 15,668.88/x
  3. Step 3: Cross multiply
    45,273.30x = 67,866.21 × 15,668.88
  4. Step 4: Simplify right side
    45,273.30x = 1,063,387,500.54
  5. Step 5: Solve for x
    x = 1,063,387,500.54/45,273.30
  6. Step 6: Final answer
    x = 23,488.18

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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.