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Finding the Fourth Proportional to 55,996.80, 83,822.40 and 32,553.60

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Solution

The fourth proportional to 55,996.80, 83,822.40 and 32,553.60 is: 48,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,996.80 : 83,822.40 = 32,553.60 : x
  2. Step 2: Convert to fraction form
    55,996.80/83,822.40 = 32,553.60/x
  3. Step 3: Cross multiply
    55,996.80x = 83,822.40 × 32,553.60
  4. Step 4: Simplify right side
    55,996.80x = 2,728,720,880.64
  5. Step 5: Solve for x
    x = 2,728,720,880.64/55,996.80
  6. Step 6: Final answer
    x = 48,729.94

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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.