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Finding the Fourth Proportional to 49,765.77, 68,672.21 and 29,619.42

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Solution

The fourth proportional to 49,765.77, 68,672.21 and 29,619.42 is: 40,872.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,765.77 : 68,672.21 = 29,619.42 : x
  2. Step 2: Convert to fraction form
    49,765.77/68,672.21 = 29,619.42/x
  3. Step 3: Cross multiply
    49,765.77x = 68,672.21 × 29,619.42
  4. Step 4: Simplify right side
    49,765.77x = 2,034,030,882.22
  5. Step 5: Solve for x
    x = 2,034,030,882.22/49,765.77
  6. Step 6: Final answer
    x = 40,872.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.