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Finding the Fourth Proportional to 11,883.21, 17,836.52 and 8,754.45

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Solution

The fourth proportional to 11,883.21, 17,836.52 and 8,754.45 is: 13,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.21 : 17,836.52 = 8,754.45 : x
  2. Step 2: Convert to fraction form
    11,883.21/17,836.52 = 8,754.45/x
  3. Step 3: Cross multiply
    11,883.21x = 17,836.52 × 8,754.45
  4. Step 4: Simplify right side
    11,883.21x = 156,148,922.51
  5. Step 5: Solve for x
    x = 156,148,922.51/11,883.21
  6. Step 6: Final answer
    x = 13,140.30

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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.