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Finding the Fourth Proportional to 2,579.40, 3,863.03 and 2,527.16

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Solution

The fourth proportional to 2,579.40, 3,863.03 and 2,527.16 is: 3,784.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.40 : 3,863.03 = 2,527.16 : x
  2. Step 2: Convert to fraction form
    2,579.40/3,863.03 = 2,527.16/x
  3. Step 3: Cross multiply
    2,579.40x = 3,863.03 × 2,527.16
  4. Step 4: Simplify right side
    2,579.40x = 9,762,462.94
  5. Step 5: Solve for x
    x = 9,762,462.94/2,579.40
  6. Step 6: Final answer
    x = 3,784.78

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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.