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Finding the Fourth Proportional to 65,841.78, 98,774.97 and 26,401.98

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Solution

The fourth proportional to 65,841.78, 98,774.97 and 26,401.98 is: 39,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,841.78 : 98,774.97 = 26,401.98 : x
  2. Step 2: Convert to fraction form
    65,841.78/98,774.97 = 26,401.98/x
  3. Step 3: Cross multiply
    65,841.78x = 98,774.97 × 26,401.98
  4. Step 4: Simplify right side
    65,841.78x = 2,607,854,782.44
  5. Step 5: Solve for x
    x = 2,607,854,782.44/65,841.78
  6. Step 6: Final answer
    x = 39,607.90

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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.