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Finding the Fourth Proportional to 56,226.79, 84,311.52 and 18,773.41

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Solution

The fourth proportional to 56,226.79, 84,311.52 and 18,773.41 is: 28,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,226.79 : 84,311.52 = 18,773.41 : x
  2. Step 2: Convert to fraction form
    56,226.79/84,311.52 = 18,773.41/x
  3. Step 3: Cross multiply
    56,226.79x = 84,311.52 × 18,773.41
  4. Step 4: Simplify right side
    56,226.79x = 1,582,814,732.68
  5. Step 5: Solve for x
    x = 1,582,814,732.68/56,226.79
  6. Step 6: Final answer
    x = 28,150.54

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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.