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Finding the Fourth Proportional to 45,806.80, 68,718.30 and 16,241.80

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Solution

The fourth proportional to 45,806.80, 68,718.30 and 16,241.80 is: 24,365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,806.80 : 68,718.30 = 16,241.80 : x
  2. Step 2: Convert to fraction form
    45,806.80/68,718.30 = 16,241.80/x
  3. Step 3: Cross multiply
    45,806.80x = 68,718.30 × 16,241.80
  4. Step 4: Simplify right side
    45,806.80x = 1,116,108,884.94
  5. Step 5: Solve for x
    x = 1,116,108,884.94/45,806.80
  6. Step 6: Final answer
    x = 24,365.57

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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.