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Finding the Fourth Proportional to 65,654.70, 98,473.83 and 18,273.35

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Solution

The fourth proportional to 65,654.70, 98,473.83 and 18,273.35 is: 27,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,654.70 : 98,473.83 = 18,273.35 : x
  2. Step 2: Convert to fraction form
    65,654.70/98,473.83 = 18,273.35/x
  3. Step 3: Cross multiply
    65,654.70x = 98,473.83 × 18,273.35
  4. Step 4: Simplify right side
    65,654.70x = 1,799,446,269.06
  5. Step 5: Solve for x
    x = 1,799,446,269.06/65,654.70
  6. Step 6: Final answer
    x = 27,407.73

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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.