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Finding the Fourth Proportional to 65,453.99, 98,168.45 and 18,057.29

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Solution

The fourth proportional to 65,453.99, 98,168.45 and 18,057.29 is: 27,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,453.99 : 98,168.45 = 18,057.29 : x
  2. Step 2: Convert to fraction form
    65,453.99/98,168.45 = 18,057.29/x
  3. Step 3: Cross multiply
    65,453.99x = 98,168.45 × 18,057.29
  4. Step 4: Simplify right side
    65,453.99x = 1,772,656,170.50
  5. Step 5: Solve for x
    x = 1,772,656,170.50/65,453.99
  6. Step 6: Final answer
    x = 27,082.48

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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.