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Finding the Fourth Proportional to 8,518.41, 12,771.21 and 5,737.27

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Solution

The fourth proportional to 8,518.41, 12,771.21 and 5,737.27 is: 8,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.41 : 12,771.21 = 5,737.27 : x
  2. Step 2: Convert to fraction form
    8,518.41/12,771.21 = 5,737.27/x
  3. Step 3: Cross multiply
    8,518.41x = 12,771.21 × 5,737.27
  4. Step 4: Simplify right side
    8,518.41x = 73,271,880.00
  5. Step 5: Solve for x
    x = 73,271,880.00/8,518.41
  6. Step 6: Final answer
    x = 8,601.59

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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.