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Finding the Fourth Proportional to 65,408.28, 98,127 and 23,855.28

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Solution

The fourth proportional to 65,408.28, 98,127 and 23,855.28 is: 35,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,408.28 : 98,127 = 23,855.28 : x
  2. Step 2: Convert to fraction form
    65,408.28/98,127 = 23,855.28/x
  3. Step 3: Cross multiply
    65,408.28x = 98,127 × 23,855.28
  4. Step 4: Simplify right side
    65,408.28x = 2,340,847,060.56
  5. Step 5: Solve for x
    x = 2,340,847,060.56/65,408.28
  6. Step 6: Final answer
    x = 35,788.24

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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.