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Finding the Fourth Proportional to 14,137.83, 21,211.83 and 5,372.73

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Solution

The fourth proportional to 14,137.83, 21,211.83 and 5,372.73 is: 8,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.83 : 21,211.83 = 5,372.73 : x
  2. Step 2: Convert to fraction form
    14,137.83/21,211.83 = 5,372.73/x
  3. Step 3: Cross multiply
    14,137.83x = 21,211.83 × 5,372.73
  4. Step 4: Simplify right side
    14,137.83x = 113,965,435.40
  5. Step 5: Solve for x
    x = 113,965,435.40/14,137.83
  6. Step 6: Final answer
    x = 8,061.03

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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.