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Finding the Fourth Proportional to 44,940, 67,410 and 12,108

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Solution

The fourth proportional to 44,940, 67,410 and 12,108 is: 18,162

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,940 : 67,410 = 12,108 : x
  2. Step 2: Convert to fraction form
    44,940/67,410 = 12,108/x
  3. Step 3: Cross multiply
    44,940x = 67,410 × 12,108
  4. Step 4: Simplify right side
    44,940x = 816,200,280
  5. Step 5: Solve for x
    x = 816,200,280/44,940
  6. Step 6: Final answer
    x = 18,162

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.