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Finding the Fourth Proportional to 65,874.75, 98,797.35 and 30,301.91

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Solution

The fourth proportional to 65,874.75, 98,797.35 and 30,301.91 is: 45,446.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,874.75 : 98,797.35 = 30,301.91 : x
  2. Step 2: Convert to fraction form
    65,874.75/98,797.35 = 30,301.91/x
  3. Step 3: Cross multiply
    65,874.75x = 98,797.35 × 30,301.91
  4. Step 4: Simplify right side
    65,874.75x = 2,993,747,913.95
  5. Step 5: Solve for x
    x = 2,993,747,913.95/65,874.75
  6. Step 6: Final answer
    x = 45,446.06

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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.