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Finding the Fourth Proportional to 65,808.18, 98,687.70 and 23,676.84

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Solution

The fourth proportional to 65,808.18, 98,687.70 and 23,676.84 is: 35,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,808.18 : 98,687.70 = 23,676.84 : x
  2. Step 2: Convert to fraction form
    65,808.18/98,687.70 = 23,676.84/x
  3. Step 3: Cross multiply
    65,808.18x = 98,687.70 × 23,676.84
  4. Step 4: Simplify right side
    65,808.18x = 2,336,612,882.87
  5. Step 5: Solve for x
    x = 2,336,612,882.87/65,808.18
  6. Step 6: Final answer
    x = 35,506.42

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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.