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Finding the Fourth Proportional to 50,794.70, 76,062.45 and 40,426.70

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Solution

The fourth proportional to 50,794.70, 76,062.45 and 40,426.70 is: 60,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,794.70 : 76,062.45 = 40,426.70 : x
  2. Step 2: Convert to fraction form
    50,794.70/76,062.45 = 40,426.70/x
  3. Step 3: Cross multiply
    50,794.70x = 76,062.45 × 40,426.70
  4. Step 4: Simplify right side
    50,794.70x = 3,074,953,847.42
  5. Step 5: Solve for x
    x = 3,074,953,847.42/50,794.70
  6. Step 6: Final answer
    x = 60,536.90

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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.