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Finding the Fourth Proportional to 8,058.60, 12,086.97 and 3,895.11

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Solution

The fourth proportional to 8,058.60, 12,086.97 and 3,895.11 is: 5,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.60 : 12,086.97 = 3,895.11 : x
  2. Step 2: Convert to fraction form
    8,058.60/12,086.97 = 3,895.11/x
  3. Step 3: Cross multiply
    8,058.60x = 12,086.97 × 3,895.11
  4. Step 4: Simplify right side
    8,058.60x = 47,080,077.72
  5. Step 5: Solve for x
    x = 47,080,077.72/8,058.60
  6. Step 6: Final answer
    x = 5,842.22

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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.