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Finding the Fourth Proportional to 65,912.55, 98,873.42 and 26,469.65

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Solution

The fourth proportional to 65,912.55, 98,873.42 and 26,469.65 is: 39,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,912.55 : 98,873.42 = 26,469.65 : x
  2. Step 2: Convert to fraction form
    65,912.55/98,873.42 = 26,469.65/x
  3. Step 3: Cross multiply
    65,912.55x = 98,873.42 × 26,469.65
  4. Step 4: Simplify right side
    65,912.55x = 2,617,144,689.35
  5. Step 5: Solve for x
    x = 2,617,144,689.35/65,912.55
  6. Step 6: Final answer
    x = 39,706.32

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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.