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Finding the Fourth Proportional to 9,668.90, 14,474.04 and 8,744.88

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Solution

The fourth proportional to 9,668.90, 14,474.04 and 8,744.88 is: 13,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.90 : 14,474.04 = 8,744.88 : x
  2. Step 2: Convert to fraction form
    9,668.90/14,474.04 = 8,744.88/x
  3. Step 3: Cross multiply
    9,668.90x = 14,474.04 × 8,744.88
  4. Step 4: Simplify right side
    9,668.90x = 126,573,742.92
  5. Step 5: Solve for x
    x = 126,573,742.92/9,668.90
  6. Step 6: Final answer
    x = 13,090.81

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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.