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Finding the Fourth Proportional to 16,940.96, 25,409.51 and 4,461.96

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Solution

The fourth proportional to 16,940.96, 25,409.51 and 4,461.96 is: 6,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.96 : 25,409.51 = 4,461.96 : x
  2. Step 2: Convert to fraction form
    16,940.96/25,409.51 = 4,461.96/x
  3. Step 3: Cross multiply
    16,940.96x = 25,409.51 × 4,461.96
  4. Step 4: Simplify right side
    16,940.96x = 113,376,143.41
  5. Step 5: Solve for x
    x = 113,376,143.41/16,940.96
  6. Step 6: Final answer
    x = 6,692.43

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1.5x scale

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.