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Finding the Fourth Proportional to 8,771.69, 13,161.18 and 4,610.70

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Solution

The fourth proportional to 8,771.69, 13,161.18 and 4,610.70 is: 6,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.69 : 13,161.18 = 4,610.70 : x
  2. Step 2: Convert to fraction form
    8,771.69/13,161.18 = 4,610.70/x
  3. Step 3: Cross multiply
    8,771.69x = 13,161.18 × 4,610.70
  4. Step 4: Simplify right side
    8,771.69x = 60,682,232.90
  5. Step 5: Solve for x
    x = 60,682,232.90/8,771.69
  6. Step 6: Final answer
    x = 6,917.96

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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.