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Finding the Fourth Proportional to 38,855.44, 58,227.54 and 16,662.88

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Solution

The fourth proportional to 38,855.44, 58,227.54 and 16,662.88 is: 24,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855.44 : 58,227.54 = 16,662.88 : x
  2. Step 2: Convert to fraction form
    38,855.44/58,227.54 = 16,662.88/x
  3. Step 3: Cross multiply
    38,855.44x = 58,227.54 × 16,662.88
  4. Step 4: Simplify right side
    38,855.44x = 970,238,511.72
  5. Step 5: Solve for x
    x = 970,238,511.72/38,855.44
  6. Step 6: Final answer
    x = 24,970.47

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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.