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Finding the Fourth Proportional to 16,515.73, 24,765.48 and 11,520.48

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Solution

The fourth proportional to 16,515.73, 24,765.48 and 11,520.48 is: 17,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.73 : 24,765.48 = 11,520.48 : x
  2. Step 2: Convert to fraction form
    16,515.73/24,765.48 = 11,520.48/x
  3. Step 3: Cross multiply
    16,515.73x = 24,765.48 × 11,520.48
  4. Step 4: Simplify right side
    16,515.73x = 285,310,217.03
  5. Step 5: Solve for x
    x = 285,310,217.03/16,515.73
  6. Step 6: Final answer
    x = 17,275.06

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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.