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Finding the Fourth Proportional to 65,504.34, 98,174.34 and 28,020.42

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Solution

The fourth proportional to 65,504.34, 98,174.34 and 28,020.42 is: 41,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,504.34 : 98,174.34 = 28,020.42 : x
  2. Step 2: Convert to fraction form
    65,504.34/98,174.34 = 28,020.42/x
  3. Step 3: Cross multiply
    65,504.34x = 98,174.34 × 28,020.42
  4. Step 4: Simplify right side
    65,504.34x = 2,750,886,240.02
  5. Step 5: Solve for x
    x = 2,750,886,240.02/65,504.34
  6. Step 6: Final answer
    x = 41,995.48

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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.