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Finding the Fourth Proportional to 8,704.60, 13,059.16 and 3,773.10

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Solution

The fourth proportional to 8,704.60, 13,059.16 and 3,773.10 is: 5,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.60 : 13,059.16 = 3,773.10 : x
  2. Step 2: Convert to fraction form
    8,704.60/13,059.16 = 3,773.10/x
  3. Step 3: Cross multiply
    8,704.60x = 13,059.16 × 3,773.10
  4. Step 4: Simplify right side
    8,704.60x = 49,273,516.60
  5. Step 5: Solve for x
    x = 49,273,516.60/8,704.60
  6. Step 6: Final answer
    x = 5,660.63

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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.