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Finding the Fourth Proportional to 65,687.46, 98,530.22 and 44,575.08

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Solution

The fourth proportional to 65,687.46, 98,530.22 and 44,575.08 is: 66,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,687.46 : 98,530.22 = 44,575.08 : x
  2. Step 2: Convert to fraction form
    65,687.46/98,530.22 = 44,575.08/x
  3. Step 3: Cross multiply
    65,687.46x = 98,530.22 × 44,575.08
  4. Step 4: Simplify right side
    65,687.46x = 4,391,992,438.92
  5. Step 5: Solve for x
    x = 4,391,992,438.92/65,687.46
  6. Step 6: Final answer
    x = 66,861.96

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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.