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Finding the Fourth Proportional to 65,366.28, 98,020.08 and 18,608.04

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Solution

The fourth proportional to 65,366.28, 98,020.08 and 18,608.04 is: 27,903.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,366.28 : 98,020.08 = 18,608.04 : x
  2. Step 2: Convert to fraction form
    65,366.28/98,020.08 = 18,608.04/x
  3. Step 3: Cross multiply
    65,366.28x = 98,020.08 × 18,608.04
  4. Step 4: Simplify right side
    65,366.28x = 1,823,961,569.44
  5. Step 5: Solve for x
    x = 1,823,961,569.44/65,366.28
  6. Step 6: Final answer
    x = 27,903.71

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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.