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Finding the Fourth Proportional to 48,935.36, 73,372.80 and 33,305.60

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Solution

The fourth proportional to 48,935.36, 73,372.80 and 33,305.60 is: 49,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,935.36 : 73,372.80 = 33,305.60 : x
  2. Step 2: Convert to fraction form
    48,935.36/73,372.80 = 33,305.60/x
  3. Step 3: Cross multiply
    48,935.36x = 73,372.80 × 33,305.60
  4. Step 4: Simplify right side
    48,935.36x = 2,443,725,127.68
  5. Step 5: Solve for x
    x = 2,443,725,127.68/48,935.36
  6. Step 6: Final answer
    x = 49,937.82

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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.