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Finding the Fourth Proportional to 12,563.40, 18,845.10 and 3,804.44

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Solution

The fourth proportional to 12,563.40, 18,845.10 and 3,804.44 is: 5,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.40 : 18,845.10 = 3,804.44 : x
  2. Step 2: Convert to fraction form
    12,563.40/18,845.10 = 3,804.44/x
  3. Step 3: Cross multiply
    12,563.40x = 18,845.10 × 3,804.44
  4. Step 4: Simplify right side
    12,563.40x = 71,695,052.24
  5. Step 5: Solve for x
    x = 71,695,052.24/12,563.40
  6. Step 6: Final answer
    x = 5,706.66

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Similar ratio
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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.