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Finding the Fourth Proportional to 45,951.91, 68,890.20 and 16,352.89

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Solution

The fourth proportional to 45,951.91, 68,890.20 and 16,352.89 is: 24,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,951.91 : 68,890.20 = 16,352.89 : x
  2. Step 2: Convert to fraction form
    45,951.91/68,890.20 = 16,352.89/x
  3. Step 3: Cross multiply
    45,951.91x = 68,890.20 × 16,352.89
  4. Step 4: Simplify right side
    45,951.91x = 1,126,553,629.13
  5. Step 5: Solve for x
    x = 1,126,553,629.13/45,951.91
  6. Step 6: Final answer
    x = 24,515.93

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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.