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Finding the Fourth Proportional to 65,510.28, 98,183.19 and 28,026.30

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Solution

The fourth proportional to 65,510.28, 98,183.19 and 28,026.30 is: 42,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,510.28 : 98,183.19 = 28,026.30 : x
  2. Step 2: Convert to fraction form
    65,510.28/98,183.19 = 28,026.30/x
  3. Step 3: Cross multiply
    65,510.28x = 98,183.19 × 28,026.30
  4. Step 4: Simplify right side
    65,510.28x = 2,751,711,537.90
  5. Step 5: Solve for x
    x = 2,751,711,537.90/65,510.28
  6. Step 6: Final answer
    x = 42,004.27

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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.