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Finding the Fourth Proportional to 65,865.78, 98,817.17 and 26,450.57

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Solution

The fourth proportional to 65,865.78, 98,817.17 and 26,450.57 is: 39,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,865.78 : 98,817.17 = 26,450.57 : x
  2. Step 2: Convert to fraction form
    65,865.78/98,817.17 = 26,450.57/x
  3. Step 3: Cross multiply
    65,865.78x = 98,817.17 × 26,450.57
  4. Step 4: Simplify right side
    65,865.78x = 2,613,770,472.29
  5. Step 5: Solve for x
    x = 2,613,770,472.29/65,865.78
  6. Step 6: Final answer
    x = 39,683.28

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1.5x scale

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.