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Finding the Fourth Proportional to 45,611.87, 68,389.85 and 16,033.10

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Solution

The fourth proportional to 45,611.87, 68,389.85 and 16,033.10 is: 24,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,611.87 : 68,389.85 = 16,033.10 : x
  2. Step 2: Convert to fraction form
    45,611.87/68,389.85 = 16,033.10/x
  3. Step 3: Cross multiply
    45,611.87x = 68,389.85 × 16,033.10
  4. Step 4: Simplify right side
    45,611.87x = 1,096,500,881.92
  5. Step 5: Solve for x
    x = 1,096,500,881.92/45,611.87
  6. Step 6: Final answer
    x = 24,039.82

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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.