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Finding the Fourth Proportional to 66,757.91, 100,100.94 and 26,756.82

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Solution

The fourth proportional to 66,757.91, 100,100.94 and 26,756.82 is: 40,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,757.91 : 100,100.94 = 26,756.82 : x
  2. Step 2: Convert to fraction form
    66,757.91/100,100.94 = 26,756.82/x
  3. Step 3: Cross multiply
    66,757.91x = 100,100.94 × 26,756.82
  4. Step 4: Simplify right side
    66,757.91x = 2,678,382,639.67
  5. Step 5: Solve for x
    x = 2,678,382,639.67/66,757.91
  6. Step 6: Final answer
    x = 40,120.83

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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.