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Finding the Fourth Proportional to 8,606.03, 12,906.46 and 3,058.65

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Solution

The fourth proportional to 8,606.03, 12,906.46 and 3,058.65 is: 4,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.03 : 12,906.46 = 3,058.65 : x
  2. Step 2: Convert to fraction form
    8,606.03/12,906.46 = 3,058.65/x
  3. Step 3: Cross multiply
    8,606.03x = 12,906.46 × 3,058.65
  4. Step 4: Simplify right side
    8,606.03x = 39,476,343.88
  5. Step 5: Solve for x
    x = 39,476,343.88/8,606.03
  6. Step 6: Final answer
    x = 4,587.06

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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.