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Finding the Fourth Proportional to 55,048.49, 82,563.01 and 21,757.49

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Solution

The fourth proportional to 55,048.49, 82,563.01 and 21,757.49 is: 32,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048.49 : 82,563.01 = 21,757.49 : x
  2. Step 2: Convert to fraction form
    55,048.49/82,563.01 = 21,757.49/x
  3. Step 3: Cross multiply
    55,048.49x = 82,563.01 × 21,757.49
  4. Step 4: Simplify right side
    55,048.49x = 1,796,363,397.24
  5. Step 5: Solve for x
    x = 1,796,363,397.24/55,048.49
  6. Step 6: Final answer
    x = 32,632.39

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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.