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Finding the Fourth Proportional to 43,811.10, 65,716.65 and 26,300.70

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Solution

The fourth proportional to 43,811.10, 65,716.65 and 26,300.70 is: 39,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,811.10 : 65,716.65 = 26,300.70 : x
  2. Step 2: Convert to fraction form
    43,811.10/65,716.65 = 26,300.70/x
  3. Step 3: Cross multiply
    43,811.10x = 65,716.65 × 26,300.70
  4. Step 4: Simplify right side
    43,811.10x = 1,728,393,896.66
  5. Step 5: Solve for x
    x = 1,728,393,896.66/43,811.10
  6. Step 6: Final answer
    x = 39,451.05

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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.