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Finding the Fourth Proportional to 11,299.96, 16,954.74 and 8,707.96

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Solution

The fourth proportional to 11,299.96, 16,954.74 and 8,707.96 is: 13,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.96 : 16,954.74 = 8,707.96 : x
  2. Step 2: Convert to fraction form
    11,299.96/16,954.74 = 8,707.96/x
  3. Step 3: Cross multiply
    11,299.96x = 16,954.74 × 8,707.96
  4. Step 4: Simplify right side
    11,299.96x = 147,641,197.73
  5. Step 5: Solve for x
    x = 147,641,197.73/11,299.96
  6. Step 6: Final answer
    x = 13,065.64

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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.