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Finding the Fourth Proportional to 5,769.71, 8,654.97 and 2,071.97

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Solution

The fourth proportional to 5,769.71, 8,654.97 and 2,071.97 is: 3,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.71 : 8,654.97 = 2,071.97 : x
  2. Step 2: Convert to fraction form
    5,769.71/8,654.97 = 2,071.97/x
  3. Step 3: Cross multiply
    5,769.71x = 8,654.97 × 2,071.97
  4. Step 4: Simplify right side
    5,769.71x = 17,932,794.92
  5. Step 5: Solve for x
    x = 17,932,794.92/5,769.71
  6. Step 6: Final answer
    x = 3,108.10

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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.