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Finding the Fourth Proportional to 8,058.26, 12,087.40 and 3,679.40

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Solution

The fourth proportional to 8,058.26, 12,087.40 and 3,679.40 is: 5,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.26 : 12,087.40 = 3,679.40 : x
  2. Step 2: Convert to fraction form
    8,058.26/12,087.40 = 3,679.40/x
  3. Step 3: Cross multiply
    8,058.26x = 12,087.40 × 3,679.40
  4. Step 4: Simplify right side
    8,058.26x = 44,474,379.56
  5. Step 5: Solve for x
    x = 44,474,379.56/8,058.26
  6. Step 6: Final answer
    x = 5,519.10

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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.