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Finding the Fourth Proportional to 40,529.75, 60,794.90 and 12,827.75

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Solution

The fourth proportional to 40,529.75, 60,794.90 and 12,827.75 is: 19,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,529.75 : 60,794.90 = 12,827.75 : x
  2. Step 2: Convert to fraction form
    40,529.75/60,794.90 = 12,827.75/x
  3. Step 3: Cross multiply
    40,529.75x = 60,794.90 × 12,827.75
  4. Step 4: Simplify right side
    40,529.75x = 779,861,714.34
  5. Step 5: Solve for x
    x = 779,861,714.34/40,529.75
  6. Step 6: Final answer
    x = 19,241.71

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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.