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Finding the Fourth Proportional to 23,889.28, 35,840.40 and 8,308.12

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Solution

The fourth proportional to 23,889.28, 35,840.40 and 8,308.12 is: 12,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,889.28 : 35,840.40 = 8,308.12 : x
  2. Step 2: Convert to fraction form
    23,889.28/35,840.40 = 8,308.12/x
  3. Step 3: Cross multiply
    23,889.28x = 35,840.40 × 8,308.12
  4. Step 4: Simplify right side
    23,889.28x = 297,766,344.05
  5. Step 5: Solve for x
    x = 297,766,344.05/23,889.28
  6. Step 6: Final answer
    x = 12,464.43

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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.