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Finding the Fourth Proportional to 5,679.97, 8,524.14 and 2,871.52

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Solution

The fourth proportional to 5,679.97, 8,524.14 and 2,871.52 is: 4,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.97 : 8,524.14 = 2,871.52 : x
  2. Step 2: Convert to fraction form
    5,679.97/8,524.14 = 2,871.52/x
  3. Step 3: Cross multiply
    5,679.97x = 8,524.14 × 2,871.52
  4. Step 4: Simplify right side
    5,679.97x = 24,477,238.49
  5. Step 5: Solve for x
    x = 24,477,238.49/5,679.97
  6. Step 6: Final answer
    x = 4,309.40

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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.