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Finding the Fourth Proportional to 11,804.72, 17,701.76 and 3,481.80

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Solution

The fourth proportional to 11,804.72, 17,701.76 and 3,481.80 is: 5,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.72 : 17,701.76 = 3,481.80 : x
  2. Step 2: Convert to fraction form
    11,804.72/17,701.76 = 3,481.80/x
  3. Step 3: Cross multiply
    11,804.72x = 17,701.76 × 3,481.80
  4. Step 4: Simplify right side
    11,804.72x = 61,633,970.56
  5. Step 5: Solve for x
    x = 61,633,970.56/11,804.72
  6. Step 6: Final answer
    x = 5,221.13

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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.