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Finding the Fourth Proportional to 55,253.94, 82,905.41 and 28,952.43

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Solution

The fourth proportional to 55,253.94, 82,905.41 and 28,952.43 is: 43,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253.94 : 82,905.41 = 28,952.43 : x
  2. Step 2: Convert to fraction form
    55,253.94/82,905.41 = 28,952.43/x
  3. Step 3: Cross multiply
    55,253.94x = 82,905.41 × 28,952.43
  4. Step 4: Simplify right side
    55,253.94x = 2,400,313,152.03
  5. Step 5: Solve for x
    x = 2,400,313,152.03/55,253.94
  6. Step 6: Final answer
    x = 43,441.48

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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.