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Finding the Fourth Proportional to 66,758.91, 100,102.45 and 26,757.82

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Solution

The fourth proportional to 66,758.91, 100,102.45 and 26,757.82 is: 40,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,758.91 : 100,102.45 = 26,757.82 : x
  2. Step 2: Convert to fraction form
    66,758.91/100,102.45 = 26,757.82/x
  3. Step 3: Cross multiply
    66,758.91x = 100,102.45 × 26,757.82
  4. Step 4: Simplify right side
    66,758.91x = 2,678,522,704.36
  5. Step 5: Solve for x
    x = 2,678,522,704.36/66,758.91
  6. Step 6: Final answer
    x = 40,122.33

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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.