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Finding the Fourth Proportional to 56,022.52, 84,033.78 and 14,469.52

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Solution

The fourth proportional to 56,022.52, 84,033.78 and 14,469.52 is: 21,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,022.52 : 84,033.78 = 14,469.52 : x
  2. Step 2: Convert to fraction form
    56,022.52/84,033.78 = 14,469.52/x
  3. Step 3: Cross multiply
    56,022.52x = 84,033.78 × 14,469.52
  4. Step 4: Simplify right side
    56,022.52x = 1,215,928,460.39
  5. Step 5: Solve for x
    x = 1,215,928,460.39/56,022.52
  6. Step 6: Final answer
    x = 21,704.28

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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.