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Finding the Fourth Proportional to 12,773.49, 19,160.33 and 4,453.49

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Solution

The fourth proportional to 12,773.49, 19,160.33 and 4,453.49 is: 6,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.49 : 19,160.33 = 4,453.49 : x
  2. Step 2: Convert to fraction form
    12,773.49/19,160.33 = 4,453.49/x
  3. Step 3: Cross multiply
    12,773.49x = 19,160.33 × 4,453.49
  4. Step 4: Simplify right side
    12,773.49x = 85,330,219.98
  5. Step 5: Solve for x
    x = 85,330,219.98/12,773.49
  6. Step 6: Final answer
    x = 6,680.26

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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.