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Finding the Fourth Proportional to 55,165.80, 82,768.74 and 27,082.86

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Solution

The fourth proportional to 55,165.80, 82,768.74 and 27,082.86 is: 40,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,165.80 : 82,768.74 = 27,082.86 : x
  2. Step 2: Convert to fraction form
    55,165.80/82,768.74 = 27,082.86/x
  3. Step 3: Cross multiply
    55,165.80x = 82,768.74 × 27,082.86
  4. Step 4: Simplify right side
    55,165.80x = 2,241,614,197.80
  5. Step 5: Solve for x
    x = 2,241,614,197.80/55,165.80
  6. Step 6: Final answer
    x = 40,634.13

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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.