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Finding the Fourth Proportional to 48,479.91, 72,695.25 and 22,162.09

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Solution

The fourth proportional to 48,479.91, 72,695.25 and 22,162.09 is: 33,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,479.91 : 72,695.25 = 22,162.09 : x
  2. Step 2: Convert to fraction form
    48,479.91/72,695.25 = 22,162.09/x
  3. Step 3: Cross multiply
    48,479.91x = 72,695.25 × 22,162.09
  4. Step 4: Simplify right side
    48,479.91x = 1,611,078,673.07
  5. Step 5: Solve for x
    x = 1,611,078,673.07/48,479.91
  6. Step 6: Final answer
    x = 33,231.88

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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.