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Finding the Fourth Proportional to 11,652.52, 17,474.72 and 3,859.24

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Solution

The fourth proportional to 11,652.52, 17,474.72 and 3,859.24 is: 5,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.52 : 17,474.72 = 3,859.24 : x
  2. Step 2: Convert to fraction form
    11,652.52/17,474.72 = 3,859.24/x
  3. Step 3: Cross multiply
    11,652.52x = 17,474.72 × 3,859.24
  4. Step 4: Simplify right side
    11,652.52x = 67,439,138.41
  5. Step 5: Solve for x
    x = 67,439,138.41/11,652.52
  6. Step 6: Final answer
    x = 5,787.52

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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.