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Finding the Fourth Proportional to 52,878.44, 79,216.17 and 32,828.42

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Solution

The fourth proportional to 52,878.44, 79,216.17 and 32,828.42 is: 49,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,878.44 : 79,216.17 = 32,828.42 : x
  2. Step 2: Convert to fraction form
    52,878.44/79,216.17 = 32,828.42/x
  3. Step 3: Cross multiply
    52,878.44x = 79,216.17 × 32,828.42
  4. Step 4: Simplify right side
    52,878.44x = 2,600,541,699.55
  5. Step 5: Solve for x
    x = 2,600,541,699.55/52,878.44
  6. Step 6: Final answer
    x = 49,179.62

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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.