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Finding the Fourth Proportional to 61,372.44, 92,021.40 and 40,041

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Solution

The fourth proportional to 61,372.44, 92,021.40 and 40,041 is: 60,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,372.44 : 92,021.40 = 40,041 : x
  2. Step 2: Convert to fraction form
    61,372.44/92,021.40 = 40,041/x
  3. Step 3: Cross multiply
    61,372.44x = 92,021.40 × 40,041
  4. Step 4: Simplify right side
    61,372.44x = 3,684,628,877.40
  5. Step 5: Solve for x
    x = 3,684,628,877.40/61,372.44
  6. Step 6: Final answer
    x = 60,037.19

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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.