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Finding the Fourth Proportional to 5,366.92, 8,049.36 and 1,668.64

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Solution

The fourth proportional to 5,366.92, 8,049.36 and 1,668.64 is: 2,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.92 : 8,049.36 = 1,668.64 : x
  2. Step 2: Convert to fraction form
    5,366.92/8,049.36 = 1,668.64/x
  3. Step 3: Cross multiply
    5,366.92x = 8,049.36 × 1,668.64
  4. Step 4: Simplify right side
    5,366.92x = 13,431,484.07
  5. Step 5: Solve for x
    x = 13,431,484.07/5,366.92
  6. Step 6: Final answer
    x = 2,502.64

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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.