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Finding the Fourth Proportional to 56,247, 84,375.36 and 14,694

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Solution

The fourth proportional to 56,247, 84,375.36 and 14,694 is: 22,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,247 : 84,375.36 = 14,694 : x
  2. Step 2: Convert to fraction form
    56,247/84,375.36 = 14,694/x
  3. Step 3: Cross multiply
    56,247x = 84,375.36 × 14,694
  4. Step 4: Simplify right side
    56,247x = 1,239,811,539.84
  5. Step 5: Solve for x
    x = 1,239,811,539.84/56,247
  6. Step 6: Final answer
    x = 22,042.27

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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.