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Finding the Fourth Proportional to 43,716.18, 65,619.84 and 38,750.10

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Solution

The fourth proportional to 43,716.18, 65,619.84 and 38,750.10 is: 58,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,716.18 : 65,619.84 = 38,750.10 : x
  2. Step 2: Convert to fraction form
    43,716.18/65,619.84 = 38,750.10/x
  3. Step 3: Cross multiply
    43,716.18x = 65,619.84 × 38,750.10
  4. Step 4: Simplify right side
    43,716.18x = 2,542,775,361.98
  5. Step 5: Solve for x
    x = 2,542,775,361.98/43,716.18
  6. Step 6: Final answer
    x = 58,165.54

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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.