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Finding the Fourth Proportional to 14,675.67, 21,996.96 and 7,285.41

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Solution

The fourth proportional to 14,675.67, 21,996.96 and 7,285.41 is: 10,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.67 : 21,996.96 = 7,285.41 : x
  2. Step 2: Convert to fraction form
    14,675.67/21,996.96 = 7,285.41/x
  3. Step 3: Cross multiply
    14,675.67x = 21,996.96 × 7,285.41
  4. Step 4: Simplify right side
    14,675.67x = 160,256,872.35
  5. Step 5: Solve for x
    x = 160,256,872.35/14,675.67
  6. Step 6: Final answer
    x = 10,919.90

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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.