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Finding the Fourth Proportional to 27,548.80, 41,236.80 and 19,772.80

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Solution

The fourth proportional to 27,548.80, 41,236.80 and 19,772.80 is: 29,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,548.80 : 41,236.80 = 19,772.80 : x
  2. Step 2: Convert to fraction form
    27,548.80/41,236.80 = 19,772.80/x
  3. Step 3: Cross multiply
    27,548.80x = 41,236.80 × 19,772.80
  4. Step 4: Simplify right side
    27,548.80x = 815,366,999.04
  5. Step 5: Solve for x
    x = 815,366,999.04/27,548.80
  6. Step 6: Final answer
    x = 29,597.19

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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.