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Finding the Fourth Proportional to 12,683.46, 19,020.46 and 4,361.12

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Solution

The fourth proportional to 12,683.46, 19,020.46 and 4,361.12 is: 6,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.46 : 19,020.46 = 4,361.12 : x
  2. Step 2: Convert to fraction form
    12,683.46/19,020.46 = 4,361.12/x
  3. Step 3: Cross multiply
    12,683.46x = 19,020.46 × 4,361.12
  4. Step 4: Simplify right side
    12,683.46x = 82,950,508.52
  5. Step 5: Solve for x
    x = 82,950,508.52/12,683.46
  6. Step 6: Final answer
    x = 6,540.05

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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.