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Finding the Fourth Proportional to 11,847.84, 17,760.72 and 7,452

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Solution

The fourth proportional to 11,847.84, 17,760.72 and 7,452 is: 11,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.84 : 17,760.72 = 7,452 : x
  2. Step 2: Convert to fraction form
    11,847.84/17,760.72 = 7,452/x
  3. Step 3: Cross multiply
    11,847.84x = 17,760.72 × 7,452
  4. Step 4: Simplify right side
    11,847.84x = 132,352,885.44
  5. Step 5: Solve for x
    x = 132,352,885.44/11,847.84
  6. Step 6: Final answer
    x = 11,171.06

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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.