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Finding the Fourth Proportional to 11,845.92, 17,751.92 and 8,701.26

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Solution

The fourth proportional to 11,845.92, 17,751.92 and 8,701.26 is: 13,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.92 : 17,751.92 = 8,701.26 : x
  2. Step 2: Convert to fraction form
    11,845.92/17,751.92 = 8,701.26/x
  3. Step 3: Cross multiply
    11,845.92x = 17,751.92 × 8,701.26
  4. Step 4: Simplify right side
    11,845.92x = 154,464,071.42
  5. Step 5: Solve for x
    x = 154,464,071.42/11,845.92
  6. Step 6: Final answer
    x = 13,039.43

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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.