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Finding the Fourth Proportional to 23,889.12, 35,839.62 and 8,306.88

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Solution

The fourth proportional to 23,889.12, 35,839.62 and 8,306.88 is: 12,462.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,889.12 : 35,839.62 = 8,306.88 : x
  2. Step 2: Convert to fraction form
    23,889.12/35,839.62 = 8,306.88/x
  3. Step 3: Cross multiply
    23,889.12x = 35,839.62 × 8,306.88
  4. Step 4: Simplify right side
    23,889.12x = 297,715,422.59
  5. Step 5: Solve for x
    x = 297,715,422.59/23,889.12
  6. Step 6: Final answer
    x = 12,462.39

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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.