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Finding the Fourth Proportional to 8,771.46, 13,161.03 and 4,610.49

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Solution

The fourth proportional to 8,771.46, 13,161.03 and 4,610.49 is: 6,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.46 : 13,161.03 = 4,610.49 : x
  2. Step 2: Convert to fraction form
    8,771.46/13,161.03 = 4,610.49/x
  3. Step 3: Cross multiply
    8,771.46x = 13,161.03 × 4,610.49
  4. Step 4: Simplify right side
    8,771.46x = 60,678,797.20
  5. Step 5: Solve for x
    x = 60,678,797.20/8,771.46
  6. Step 6: Final answer
    x = 6,917.75

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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.