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Finding the Fourth Proportional to 66,758.50, 92,126.82 and 41,608

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Solution

The fourth proportional to 66,758.50, 92,126.82 and 41,608 is: 57,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,758.50 : 92,126.82 = 41,608 : x
  2. Step 2: Convert to fraction form
    66,758.50/92,126.82 = 41,608/x
  3. Step 3: Cross multiply
    66,758.50x = 92,126.82 × 41,608
  4. Step 4: Simplify right side
    66,758.50x = 3,833,212,726.56
  5. Step 5: Solve for x
    x = 3,833,212,726.56/66,758.50
  6. Step 6: Final answer
    x = 57,419.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.