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Finding the Fourth Proportional to 65,469.20, 98,246.84 and 35,907.77

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Solution

The fourth proportional to 65,469.20, 98,246.84 and 35,907.77 is: 53,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,469.20 : 98,246.84 = 35,907.77 : x
  2. Step 2: Convert to fraction form
    65,469.20/98,246.84 = 35,907.77/x
  3. Step 3: Cross multiply
    65,469.20x = 98,246.84 × 35,907.77
  4. Step 4: Simplify right side
    65,469.20x = 3,527,825,000.03
  5. Step 5: Solve for x
    x = 3,527,825,000.03/65,469.20
  6. Step 6: Final answer
    x = 53,885.27

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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.