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Finding the Fourth Proportional to 11,759.11, 17,629.41 and 8,050.10

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Solution

The fourth proportional to 11,759.11, 17,629.41 and 8,050.10 is: 12,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.11 : 17,629.41 = 8,050.10 : x
  2. Step 2: Convert to fraction form
    11,759.11/17,629.41 = 8,050.10/x
  3. Step 3: Cross multiply
    11,759.11x = 17,629.41 × 8,050.10
  4. Step 4: Simplify right side
    11,759.11x = 141,918,455.48
  5. Step 5: Solve for x
    x = 141,918,455.48/11,759.11
  6. Step 6: Final answer
    x = 12,068.81

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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.