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Finding the Fourth Proportional to 45,894.40, 68,847.06 and 16,315.22

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Solution

The fourth proportional to 45,894.40, 68,847.06 and 16,315.22 is: 24,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,894.40 : 68,847.06 = 16,315.22 : x
  2. Step 2: Convert to fraction form
    45,894.40/68,847.06 = 16,315.22/x
  3. Step 3: Cross multiply
    45,894.40x = 68,847.06 × 16,315.22
  4. Step 4: Simplify right side
    45,894.40x = 1,123,255,163.55
  5. Step 5: Solve for x
    x = 1,123,255,163.55/45,894.40
  6. Step 6: Final answer
    x = 24,474.78

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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.