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Finding the Fourth Proportional to 3,800.72, 5,700.51 and 1,027.62

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Solution

The fourth proportional to 3,800.72, 5,700.51 and 1,027.62 is: 1,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.72 : 5,700.51 = 1,027.62 : x
  2. Step 2: Convert to fraction form
    3,800.72/5,700.51 = 1,027.62/x
  3. Step 3: Cross multiply
    3,800.72x = 5,700.51 × 1,027.62
  4. Step 4: Simplify right side
    3,800.72x = 5,857,958.09
  5. Step 5: Solve for x
    x = 5,857,958.09/3,800.72
  6. Step 6: Final answer
    x = 1,541.28

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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.