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Finding the Fourth Proportional to 50,690.09, 76,035.11 and 13,754.09

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Solution

The fourth proportional to 50,690.09, 76,035.11 and 13,754.09 is: 20,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,690.09 : 76,035.11 = 13,754.09 : x
  2. Step 2: Convert to fraction form
    50,690.09/76,035.11 = 13,754.09/x
  3. Step 3: Cross multiply
    50,690.09x = 76,035.11 × 13,754.09
  4. Step 4: Simplify right side
    50,690.09x = 1,045,793,297.15
  5. Step 5: Solve for x
    x = 1,045,793,297.15/50,690.09
  6. Step 6: Final answer
    x = 20,631.12

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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.