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Finding the Fourth Proportional to 55,793.53, 83,695.81 and 18,338.41

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Solution

The fourth proportional to 55,793.53, 83,695.81 and 18,338.41 is: 27,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.53 : 83,695.81 = 18,338.41 : x
  2. Step 2: Convert to fraction form
    55,793.53/83,695.81 = 18,338.41/x
  3. Step 3: Cross multiply
    55,793.53x = 83,695.81 × 18,338.41
  4. Step 4: Simplify right side
    55,793.53x = 1,534,848,079.06
  5. Step 5: Solve for x
    x = 1,534,848,079.06/55,793.53
  6. Step 6: Final answer
    x = 27,509.43

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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.