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Finding the Fourth Proportional to 55,195.68, 82,768.94 and 15,743.56

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Solution

The fourth proportional to 55,195.68, 82,768.94 and 15,743.56 is: 23,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,195.68 : 82,768.94 = 15,743.56 : x
  2. Step 2: Convert to fraction form
    55,195.68/82,768.94 = 15,743.56/x
  3. Step 3: Cross multiply
    55,195.68x = 82,768.94 × 15,743.56
  4. Step 4: Simplify right side
    55,195.68x = 1,303,077,773.03
  5. Step 5: Solve for x
    x = 1,303,077,773.03/55,195.68
  6. Step 6: Final answer
    x = 23,608.33

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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.