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Finding the Fourth Proportional to 56,124.43, 84,168.48 and 18,674.44

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Solution

The fourth proportional to 56,124.43, 84,168.48 and 18,674.44 is: 28,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,124.43 : 84,168.48 = 18,674.44 : x
  2. Step 2: Convert to fraction form
    56,124.43/84,168.48 = 18,674.44/x
  3. Step 3: Cross multiply
    56,124.43x = 84,168.48 × 18,674.44
  4. Step 4: Simplify right side
    56,124.43x = 1,571,799,229.65
  5. Step 5: Solve for x
    x = 1,571,799,229.65/56,124.43
  6. Step 6: Final answer
    x = 28,005.62

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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.