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Finding the Fourth Proportional to 3,668.92, 5,503.38 and 3,018.29

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Solution

The fourth proportional to 3,668.92, 5,503.38 and 3,018.29 is: 4,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.92 : 5,503.38 = 3,018.29 : x
  2. Step 2: Convert to fraction form
    3,668.92/5,503.38 = 3,018.29/x
  3. Step 3: Cross multiply
    3,668.92x = 5,503.38 × 3,018.29
  4. Step 4: Simplify right side
    3,668.92x = 16,610,757.98
  5. Step 5: Solve for x
    x = 16,610,757.98/3,668.92
  6. Step 6: Final answer
    x = 4,527.43

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1.5x scale

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.