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Finding the Fourth Proportional to 8,668.03, 13,002.13 and 2,744.80

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Solution

The fourth proportional to 8,668.03, 13,002.13 and 2,744.80 is: 4,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.03 : 13,002.13 = 2,744.80 : x
  2. Step 2: Convert to fraction form
    8,668.03/13,002.13 = 2,744.80/x
  3. Step 3: Cross multiply
    8,668.03x = 13,002.13 × 2,744.80
  4. Step 4: Simplify right side
    8,668.03x = 35,688,265.21
  5. Step 5: Solve for x
    x = 35,688,265.21/8,668.03
  6. Step 6: Final answer
    x = 4,117.23

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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.