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Finding the Fourth Proportional to 64,100.62, 96,163.08 and 26,640.35

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Solution

The fourth proportional to 64,100.62, 96,163.08 and 26,640.35 is: 39,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,100.62 : 96,163.08 = 26,640.35 : x
  2. Step 2: Convert to fraction form
    64,100.62/96,163.08 = 26,640.35/x
  3. Step 3: Cross multiply
    64,100.62x = 96,163.08 × 26,640.35
  4. Step 4: Simplify right side
    64,100.62x = 2,561,818,108.28
  5. Step 5: Solve for x
    x = 2,561,818,108.28/64,100.62
  6. Step 6: Final answer
    x = 39,965.57

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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.