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Finding the Fourth Proportional to 11,882.21, 17,835.02 and 8,753.45

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Solution

The fourth proportional to 11,882.21, 17,835.02 and 8,753.45 is: 13,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.21 : 17,835.02 = 8,753.45 : x
  2. Step 2: Convert to fraction form
    11,882.21/17,835.02 = 8,753.45/x
  3. Step 3: Cross multiply
    11,882.21x = 17,835.02 × 8,753.45
  4. Step 4: Simplify right side
    11,882.21x = 156,117,822.88
  5. Step 5: Solve for x
    x = 156,117,822.88/11,882.21
  6. Step 6: Final answer
    x = 13,138.79

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1.5x scale

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.