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Finding the Fourth Proportional to 45,296.47, 67,950.10 and 21,906.10

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Solution

The fourth proportional to 45,296.47, 67,950.10 and 21,906.10 is: 32,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,296.47 : 67,950.10 = 21,906.10 : x
  2. Step 2: Convert to fraction form
    45,296.47/67,950.10 = 21,906.10/x
  3. Step 3: Cross multiply
    45,296.47x = 67,950.10 × 21,906.10
  4. Step 4: Simplify right side
    45,296.47x = 1,488,521,460.97
  5. Step 5: Solve for x
    x = 1,488,521,460.97/45,296.47
  6. Step 6: Final answer
    x = 32,861.76

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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.