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Finding the Fourth Proportional to 32,479.65, 48,716.28 and 22,016.88

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Solution

The fourth proportional to 32,479.65, 48,716.28 and 22,016.88 is: 33,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,479.65 : 48,716.28 = 22,016.88 : x
  2. Step 2: Convert to fraction form
    32,479.65/48,716.28 = 22,016.88/x
  3. Step 3: Cross multiply
    32,479.65x = 48,716.28 × 22,016.88
  4. Step 4: Simplify right side
    32,479.65x = 1,072,580,137.14
  5. Step 5: Solve for x
    x = 1,072,580,137.14/32,479.65
  6. Step 6: Final answer
    x = 33,023.15

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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.