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Finding the Fourth Proportional to 8,519.59, 12,771.09 and 4,076.10

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Solution

The fourth proportional to 8,519.59, 12,771.09 and 4,076.10 is: 6,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.59 : 12,771.09 = 4,076.10 : x
  2. Step 2: Convert to fraction form
    8,519.59/12,771.09 = 4,076.10/x
  3. Step 3: Cross multiply
    8,519.59x = 12,771.09 × 4,076.10
  4. Step 4: Simplify right side
    8,519.59x = 52,056,239.95
  5. Step 5: Solve for x
    x = 52,056,239.95/8,519.59
  6. Step 6: Final answer
    x = 6,110.18

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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.