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Finding the Fourth Proportional to 8,885.73, 13,333.20 and 3,624.60

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Solution

The fourth proportional to 8,885.73, 13,333.20 and 3,624.60 is: 5,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.73 : 13,333.20 = 3,624.60 : x
  2. Step 2: Convert to fraction form
    8,885.73/13,333.20 = 3,624.60/x
  3. Step 3: Cross multiply
    8,885.73x = 13,333.20 × 3,624.60
  4. Step 4: Simplify right side
    8,885.73x = 48,327,516.72
  5. Step 5: Solve for x
    x = 48,327,516.72/8,885.73
  6. Step 6: Final answer
    x = 5,438.78

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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.