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Finding the Fourth Proportional to 50,139.70, 69,190.67 and 29,984.67

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Solution

The fourth proportional to 50,139.70, 69,190.67 and 29,984.67 is: 41,377.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,139.70 : 69,190.67 = 29,984.67 : x
  2. Step 2: Convert to fraction form
    50,139.70/69,190.67 = 29,984.67/x
  3. Step 3: Cross multiply
    50,139.70x = 69,190.67 × 29,984.67
  4. Step 4: Simplify right side
    50,139.70x = 2,074,659,407.03
  5. Step 5: Solve for x
    x = 2,074,659,407.03/50,139.70
  6. Step 6: Final answer
    x = 41,377.58

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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.