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Finding the Fourth Proportional to 55,273.30, 82,733.55 and 43,609.30

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Solution

The fourth proportional to 55,273.30, 82,733.55 and 43,609.30 is: 65,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273.30 : 82,733.55 = 43,609.30 : x
  2. Step 2: Convert to fraction form
    55,273.30/82,733.55 = 43,609.30/x
  3. Step 3: Cross multiply
    55,273.30x = 82,733.55 × 43,609.30
  4. Step 4: Simplify right side
    55,273.30x = 3,607,952,202.02
  5. Step 5: Solve for x
    x = 3,607,952,202.02/55,273.30
  6. Step 6: Final answer
    x = 65,274.77

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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.