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Finding the Fourth Proportional to 11,832.89, 17,751.06 and 3,511.89

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Solution

The fourth proportional to 11,832.89, 17,751.06 and 3,511.89 is: 5,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.89 : 17,751.06 = 3,511.89 : x
  2. Step 2: Convert to fraction form
    11,832.89/17,751.06 = 3,511.89/x
  3. Step 3: Cross multiply
    11,832.89x = 17,751.06 × 3,511.89
  4. Step 4: Simplify right side
    11,832.89x = 62,339,770.10
  5. Step 5: Solve for x
    x = 62,339,770.10/11,832.89
  6. Step 6: Final answer
    x = 5,268.35

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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.