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Finding the Fourth Proportional to 8,668.10, 13,002.06 and 2,744.93

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Solution

The fourth proportional to 8,668.10, 13,002.06 and 2,744.93 is: 4,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.10 : 13,002.06 = 2,744.93 : x
  2. Step 2: Convert to fraction form
    8,668.10/13,002.06 = 2,744.93/x
  3. Step 3: Cross multiply
    8,668.10x = 13,002.06 × 2,744.93
  4. Step 4: Simplify right side
    8,668.10x = 35,689,744.56
  5. Step 5: Solve for x
    x = 35,689,744.56/8,668.10
  6. Step 6: Final answer
    x = 4,117.37

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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.