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Finding the Fourth Proportional to 38,806.20, 58,234.90 and 14,182.20

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Solution

The fourth proportional to 38,806.20, 58,234.90 and 14,182.20 is: 21,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.20 : 58,234.90 = 14,182.20 : x
  2. Step 2: Convert to fraction form
    38,806.20/58,234.90 = 14,182.20/x
  3. Step 3: Cross multiply
    38,806.20x = 58,234.90 × 14,182.20
  4. Step 4: Simplify right side
    38,806.20x = 825,898,998.78
  5. Step 5: Solve for x
    x = 825,898,998.78/38,806.20
  6. Step 6: Final answer
    x = 21,282.66

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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.