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Finding the Fourth Proportional to 9,063.72, 13,579.80 and 4,906.56

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Solution

The fourth proportional to 9,063.72, 13,579.80 and 4,906.56 is: 7,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.72 : 13,579.80 = 4,906.56 : x
  2. Step 2: Convert to fraction form
    9,063.72/13,579.80 = 4,906.56/x
  3. Step 3: Cross multiply
    9,063.72x = 13,579.80 × 4,906.56
  4. Step 4: Simplify right side
    9,063.72x = 66,630,103.49
  5. Step 5: Solve for x
    x = 66,630,103.49/9,063.72
  6. Step 6: Final answer
    x = 7,351.30

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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.